102220202111121 has 96 divisors (see below), whose sum is σ = 161625690390528. Its totient is φ = 64431972158400.

The previous prime is 102220202111099. The next prime is 102220202111129. The reversal of 102220202111121 is 121111202022201.

102220202111121 is a `hidden beast` number, since 10 + 2 + 220 + 202 + 111 + 121 = 666.

It is not a de Polignac number, because 102220202111121 - 2¹⁰ = 102220202110097 is a prime.

It is a super-2 number, since 2×102220202111121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102220202111094 and 102220202111103.

It is not an unprimeable number, because it can be changed into a prime (102220202111129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 342495660 + ... + 342793986.

It is an arithmetic number, because the mean of its divisors is an integer number (1683600941568).

Almost surely, 2^{102220202111121} is an apocalyptic number.

It is an amenable number.

102220202111121 is a deficient number, since it is larger than the sum of its proper divisors (59405488279407).

102220202111121 is a wasteful number, since it uses less digits than its factorization.

102220202111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299073 (or 299061 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 102220202111121 its reverse (121111202022201), we get a palindrome (223331404133322).

The spelling of 102220202111121 in words is "one hundred two trillion, two hundred twenty billion, two hundred two million, one hundred eleven thousand, one hundred twenty-one".