1021100000122 has 16 divisors (see below), whose sum is σ = 1545000080832. Its totient is φ = 506119279840.

The previous prime is 1021100000057. The next prime is 1021100000171. The reversal of 1021100000122 is 2210000011201.

It is a junction number, because it is equal to n+sod(n) for n = 1021100000099 and 1021100000108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720654 + ... + 4932217.

It is an arithmetic number, because the mean of its divisors is an integer number (96562505052).

Almost surely, 2^{1021100000122} is an apocalyptic number.

1021100000122 is a deficient number, since it is larger than the sum of its proper divisors (523900080710).

1021100000122 is a wasteful number, since it uses less digits than its factorization.

1021100000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653333.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1021100000122 its reverse (2210000011201), we get a palindrome (3231100011323).

The spelling of 1021100000122 in words is "one trillion, twenty-one billion, one hundred million, one hundred twenty-two", and thus it is an aban number.