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10102122102220 = 225505106105111
BaseRepresentation
bin1001001100000001010101…
…1001100011110111001100
31022202202100020222120001121
42103000111121203313030
52311003121224232340
633252503440050324
72061566001032611
oct223002531436714
938682306876047
1010102122102220
113245316623a05
121171a383039a4
1358381a4c4045
1426cd33d50508
15127ba560d94a
hex93015663dcc

10102122102220 has 12 divisors (see below), whose sum is σ = 21214456414704. Its totient is φ = 4040848840880.

The previous prime is 10102122102199. The next prime is 10102122102223. The reversal of 10102122102220 is 2220122120101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10102122102194 and 10102122102203.

It is not an unprimeable number, because it can be changed into a prime (10102122102223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252553052536 + ... + 252553052575.

It is an arithmetic number, because the mean of its divisors is an integer number (1767871367892).

Almost surely, 210102122102220 is an apocalyptic number.

10102122102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102122102220 is an abundant number, since it is smaller than the sum of its proper divisors (11112334312484).

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

10102122102220 is a wasteful number, since it uses less digits than its factorization.

10102122102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505106105120 (or 505106105118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10102122102220 its reverse (2220122120101), we get a palindrome (12322244222321).

The spelling of 10102122102220 in words is "ten trillion, one hundred two billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 505106105111 1010212210222 2020424420444 2525530525555 5051061051110 10102122102220