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101202022121 = 223453820727
BaseRepresentation
bin101111001000000011…
…1000100111011101001
3100200012221110101121112
41132100013010323221
53124230204201441
6114254102320105
710211610665114
oct1362007047351
9320187411545
10101202022121
1139a129a3112
1217744429035
13970a861435
144c8095957b
152974a244eb
hex17901c4ee9

101202022121 has 4 divisors (see below), whose sum is σ = 101655843072. Its totient is φ = 100748201172.

The previous prime is 101202022087. The next prime is 101202022127. The reversal of 101202022121 is 121220202101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101202022121 - 234 = 84022152937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202022096 and 101202022105.

It is not an unprimeable number, because it can be changed into a prime (101202022127) 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, 226910141 + ... + 226910586.

It is an arithmetic number, because the mean of its divisors is an integer number (25413960768).

Almost surely, 2101202022121 is an apocalyptic number.

It is an amenable number.

101202022121 is a deficient number, since it is larger than the sum of its proper divisors (453820951).

101202022121 is an equidigital number, since it uses as much as digits as its factorization.

101202022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453820950.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 101202022121 its reverse (121220202101), we get a palindrome (222422224222).

The spelling of 101202022121 in words is "one hundred one billion, two hundred two million, twenty-two thousand, one hundred twenty-one".

Divisors: 1 223 453820727 101202022121