1012111220102 has 8 divisors (see below), whose sum is σ = 1518593651856. Its totient is φ = 505913336152.

The previous prime is 1012111220089. The next prime is 1012111220119. The reversal of 1012111220102 is 2010221112101.

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

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, 71128058 + ... + 71142285.

It is an arithmetic number, because the mean of its divisors is an integer number (189824206482).

Almost surely, 2^{1012111220102} is an apocalyptic number.

1012111220102 is a deficient number, since it is larger than the sum of its proper divisors (506482431754).

1012111220102 is a wasteful number, since it uses less digits than its factorization.

1012111220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142273902.

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

Adding to 1012111220102 its reverse (2010221112101), we get a palindrome (3022332332203).

The spelling of 1012111220102 in words is "one trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred two".