102101121111222 has 48 divisors (see below), whose sum is σ = 221303025450000. Its totient is φ = 34020795958272.

The previous prime is 102101121111217. The next prime is 102101121111229. The reversal of 102101121111222 is 222111121101201.

It is a happy number.

102101121111222 is a `hidden beast` number, since 1 + 0 + 210 + 1 + 121 + 111 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102101121111195 and 102101121111204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101121111229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1491603654 + ... + 1491672102.

It is an arithmetic number, because the mean of its divisors is an integer number (4610479696875).

Almost surely, 2^{102101121111222} is an apocalyptic number.

102101121111222 is an abundant number, since it is smaller than the sum of its proper divisors (119201904338778).

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

102101121111222 is a wasteful number, since it uses less digits than its factorization.

102101121111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98685 (or 98682 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 102101121111222 its reverse (222111121101201), we get a palindrome (324212242212423).

The spelling of 102101121111222 in words is "one hundred two trillion, one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".