1021011110122 has 32 divisors (see below), whose sum is σ = 1674109845504. Its totient is φ = 464922681600.

The previous prime is 1021011110089. The next prime is 1021011110137. The reversal of 1021011110122 is 2210111101201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9869847 + ... + 9972757.

It is an arithmetic number, because the mean of its divisors is an integer number (52315932672).

Almost surely, 2^{1021011110122} is an apocalyptic number.

1021011110122 is a deficient number, since it is larger than the sum of its proper divisors (653098735382).

1021011110122 is a wasteful number, since it uses less digits than its factorization.

1021011110122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112374.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1021011110122 its reverse (2210111101201), we get a palindrome (3231122211323).

The spelling of 1021011110122 in words is "one trillion, twenty-one billion, eleven million, one hundred ten thousand, one hundred twenty-two".