1021100202122 has 64 divisors (see below), whose sum is σ = 2056696475904. Its totient is φ = 367190461440.

The previous prime is 1021100202071. The next prime is 1021100202151. The reversal of 1021100202122 is 2212020011201.

1021100202122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021100202097 and 1021100202106.

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, 24998588 + ... + 25039400.

It is an arithmetic number, because the mean of its divisors is an integer number (32135882436).

Almost surely, 2^{1021100202122} is an apocalyptic number.

1021100202122 is an abundant number, since it is smaller than the sum of its proper divisors (1035596273782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021100202122 is a wasteful number, since it uses less digits than its factorization.

1021100202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53343.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021100202122 its reverse (2212020011201), we get a palindrome (3233120213323).

The spelling of 1021100202122 in words is "one trillion, twenty-one billion, one hundred million, two hundred two thousand, one hundred twenty-two".