102220221211112 has 8 divisors (see below), whose sum is σ = 191662914770850. Its totient is φ = 51110110605552.

The previous prime is 102220221211109. The next prime is 102220221211159. The reversal of 102220221211112 is 211112122022201.

It can be written as a sum of positive squares in only one way, i.e., 78888751580356 + 23331469630756 = 8881934^2 + 4830266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388763825687 + ... + 6388763825702.

Almost surely, 2^{102220221211112} is an apocalyptic number.

It is an amenable number.

102220221211112 is a deficient number, since it is larger than the sum of its proper divisors (89442693559738).

102220221211112 is a wasteful number, since it uses less digits than its factorization.

102220221211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777527651395 (or 12777527651391 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102220221211112 its reverse (211112122022201), we get a palindrome (313332343233313).

The spelling of 102220221211112 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twelve".