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121022020102122 = 2326723445561229
BaseRepresentation
bin11011100001000110100010…
…100001001010011111101010
3120212111120222122220112211100
4123201012202201022133222
5111330311044121231442
61105220425402342230
734330360322544516
oct3341064241123752
9525446878815740
10121022020102122
113561a172345807
12116a6a657ba976
13526b434765229
1421c56d5bab146
15ded0d916b84c
hex6e11a284a7ea

121022020102122 has 12 divisors (see below), whose sum is σ = 262214376887970. Its totient is φ = 40340673367368.

The previous prime is 121022020102111. The next prime is 121022020102141. The reversal of 121022020102122 is 221201020220121.

It is a happy number.

121022020102122 is a `hidden beast` number, since 1 + 210 + 220 + 20 + 1 + 0 + 212 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72682803227241 + 48339216874881 = 8525421^2 + 6952641^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6723445561229 = 121022020102122 / (1 + 2 + 1 + 0 + 2 + 2 + 0 + 2 + 0 + 1 + 0 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 121022020102095 and 121022020102104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361722780597 + ... + 3361722780632.

Almost surely, 2121022020102122 is an apocalyptic number.

121022020102122 is an abundant number, since it is smaller than the sum of its proper divisors (141192356785848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022020102122 is a wasteful number, since it uses less digits than its factorization.

121022020102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723445561237 (or 6723445561234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121022020102122 its reverse (221201020220121), we get a palindrome (342223040322243).

The spelling of 121022020102122 in words is "one hundred twenty-one trillion, twenty-two billion, twenty million, one hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 6723445561229 13446891122458 20170336683687 40340673367374 60511010051061 121022020102122