102220111101012 has 12 divisors (see below), whose sum is σ = 238513592569056. Its totient is φ = 34073370367000.

The previous prime is 102220111101011. The next prime is 102220111101019. The reversal of 102220111101012 is 210101111022201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102220111101012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102220111100982 and 102220111101000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220111101011) 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, 4259171295864 + ... + 4259171295887.

It is an arithmetic number, because the mean of its divisors is an integer number (19876132714088).

Almost surely, 2^{102220111101012} is an apocalyptic number.

102220111101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102220111101012 is an abundant number, since it is smaller than the sum of its proper divisors (136293481468044).

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

102220111101012 is a wasteful number, since it uses less digits than its factorization.

102220111101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518342591758 (or 8518342591756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102220111101012 its reverse (210101111022201), we get a palindrome (312321222123213).

The spelling of 102220111101012 in words is "one hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred one thousand, twelve".