1020221116052 has 12 divisors (see below), whose sum is σ = 1785816264960. Its totient is φ = 509987897496.

The previous prime is 1020221116051. The next prime is 1020221116063. The reversal of 1020221116052 is 2506111220201.

It is a super-2 number, since 2×1020221116052² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221116051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30646418 + ... + 30679689.

It is an arithmetic number, because the mean of its divisors is an integer number (148818022080).

Almost surely, 2^{1020221116052} is an apocalyptic number.

It is an amenable number.

1020221116052 is a deficient number, since it is larger than the sum of its proper divisors (765595148908).

1020221116052 is a wasteful number, since it uses less digits than its factorization.

1020221116052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61330270 (or 61330268 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1020221116052 its reverse (2506111220201), we get a palindrome (3526332336253).

The spelling of 1020221116052 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred sixteen thousand, fifty-two".