1021120220022 has 32 divisors (see below), whose sum is σ = 2348855261952. Its totient is φ = 289890360864.

The previous prime is 1021120219997. The next prime is 1021120220027. The reversal of 1021120220022 is 2200220211201.

It is a junction number, because it is equal to n+sod(n) for n = 1021120219983 and 1021120220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021120220027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77421388 + ... + 77434575.

It is an arithmetic number, because the mean of its divisors is an integer number (73401726936).

Almost surely, 2^{1021120220022} is an apocalyptic number.

1021120220022 is an abundant number, since it is smaller than the sum of its proper divisors (1327735041930).

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

1021120220022 is a wasteful number, since it uses less digits than its factorization.

1021120220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154856132.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1021120220022 its reverse (2200220211201), we get a palindrome (3221340431223).

The spelling of 1021120220022 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty thousand, twenty-two".