1012211120102 has 48 divisors (see below), whose sum is σ = 1905584182992. Its totient is φ = 399694720320.

The previous prime is 1012211120099. The next prime is 1012211120111. The reversal of 1012211120102 is 2010211122101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45068 + ... + 1423535.

It is an arithmetic number, because the mean of its divisors is an integer number (39699670479).

Almost surely, 2^{1012211120102} is an apocalyptic number.

1012211120102 is a deficient number, since it is larger than the sum of its proper divisors (893373062890).

1012211120102 is a wasteful number, since it uses less digits than its factorization.

1012211120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469173 (or 1469166 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012211120102 its reverse (2010211122101), we get a palindrome (3022422242203).

The spelling of 1012211120102 in words is "one trillion, twelve billion, two hundred eleven million, one hundred twenty thousand, one hundred two".