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102022202220121 = 439872319371683
BaseRepresentation
bin10111001100100111100101…
…000111110101111001011001
3111101020020010200120000120201
4113030213211013311321121
5101333012432232020441
61000552204102222201
730326601164331121
oct2714474507657131
9441206120500521
10102022202220121
112a564411492607
12b538705124961
1344c08633b2c71
141b29c88241c81
15bbdc71a22c31
hex5cc9e51f5e59

102022202220121 has 4 divisors (see below), whose sum is σ = 102024521635792. Its totient is φ = 102019882804452.

The previous prime is 102022202220109. The next prime is 102022202220131. The reversal of 102022202220121 is 121022202220201.

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 102022202220121 - 213 = 102022202211929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102022202220101) 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, 1159641855 + ... + 1159729828.

It is an arithmetic number, because the mean of its divisors is an integer number (25506130408948).

Almost surely, 2102022202220121 is an apocalyptic number.

It is an amenable number.

102022202220121 is a deficient number, since it is larger than the sum of its proper divisors (2319415671).

102022202220121 is an equidigital number, since it uses as much as digits as its factorization.

102022202220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319415670.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102022202220121 its reverse (121022202220201), we get a palindrome (223044404440322).

The spelling of 102022202220121 in words is "one hundred two trillion, twenty-two billion, two hundred two million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 43987 2319371683 102022202220121