2121101000122 has 64 divisors (see below), whose sum is σ = 3786304725504. Its totient is φ = 881178439680.

The previous prime is 2121101000107. The next prime is 2121101000167. The reversal of 2121101000122 is 2210001011212.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80572722 + ... + 80599042.

It is an arithmetic number, because the mean of its divisors is an integer number (59161011336).

Almost surely, 2^{2121101000122} is an apocalyptic number.

2121101000122 is a deficient number, since it is larger than the sum of its proper divisors (1665203725382).

2121101000122 is a wasteful number, since it uses less digits than its factorization.

2121101000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303.

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

Adding to 2121101000122 its reverse (2210001011212), we get a palindrome (4331102011334).

The spelling of 2121101000122 in words is "two trillion, one hundred twenty-one billion, one hundred one million, one hundred twenty-two", and thus it is an aban number.