1020102112102 has 8 divisors (see below), whose sum is σ = 1530577396656. Its totient is φ = 509909646552.

The previous prime is 1020102112087. The next prime is 1020102112111. The reversal of 1020102112102 is 2012112010201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1020102112102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70695733 + ... + 70710160.

It is an arithmetic number, because the mean of its divisors is an integer number (191322174582).

Almost surely, 2^{1020102112102} is an apocalyptic number.

1020102112102 is a deficient number, since it is larger than the sum of its proper divisors (510475284554).

1020102112102 is a wasteful number, since it uses less digits than its factorization.

1020102112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141409502.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020102112102 its reverse (2012112010201), we get a palindrome (3032214122303).

The spelling of 1020102112102 in words is "one trillion, twenty billion, one hundred two million, one hundred twelve thousand, one hundred two".