221020122201102 has 96 divisors (see below), whose sum is σ = 573550497624000. Its totient is φ = 61441887189312.

The previous prime is 221020122201097. The next prime is 221020122201127. The reversal of 221020122201102 is 201102221020122.

It is a happy number.

221020122201102 is a `hidden beast` number, since 221 + 0 + 20 + 122 + 201 + 102 = 666.

It is a super-2 number, since 2×221020122201102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 483535477 + ... + 483992352.

It is an arithmetic number, because the mean of its divisors is an integer number (5974484350250).

Almost surely, 2^{221020122201102} is an apocalyptic number.

221020122201102 is an abundant number, since it is smaller than the sum of its proper divisors (352530375422898).

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

221020122201102 is a wasteful number, since it uses less digits than its factorization.

221020122201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967527895 (or 967527878 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221020122201102 its reverse (201102221020122), we get a palindrome (422122343221224).

It can be divided in two parts, 221020122 and 201102, that multiplied together give a palindrome (44447588574444).

The spelling of 221020122201102 in words is "two hundred twenty-one trillion, twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred two".