1031221230102 has 24 divisors (see below), whose sum is σ = 2553500189136. Its totient is φ = 294634637136.

The previous prime is 1031221230043. The next prime is 1031221230121. The reversal of 1031221230102 is 2010321221301.

1031221230102 is a `hidden beast` number, since 1 + 0 + 312 + 21 + 230 + 102 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4092147613 + ... + 4092147864.

It is an arithmetic number, because the mean of its divisors is an integer number (106395841214).

Almost surely, 2^{1031221230102} is an apocalyptic number.

1031221230102 is an abundant number, since it is smaller than the sum of its proper divisors (1522278959034).

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

1031221230102 is a wasteful number, since it uses less digits than its factorization.

1031221230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184295492 (or 8184295489 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1031221230102 its reverse (2010321221301), we get a palindrome (3041542451403).

The spelling of 1031221230102 in words is "one trillion, thirty-one billion, two hundred twenty-one million, two hundred thirty thousand, one hundred two".