20122201121202 has 48 divisors (see below), whose sum is σ = 45211152292800. Its totient is φ = 6462758879136.

The previous prime is 20122201121161. The next prime is 20122201121291. The reversal of 20122201121202 is 20212110222102.

It is a happy number.

20122201121202 is a `hidden beast` number, since 20 + 122 + 201 + 121 + 202 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146598952 + ... + 146736147.

It is an arithmetic number, because the mean of its divisors is an integer number (941899006100).

Almost surely, 2^{20122201121202} is an apocalyptic number.

20122201121202 is an abundant number, since it is smaller than the sum of its proper divisors (25088951171598).

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

20122201121202 is a wasteful number, since it uses less digits than its factorization.

20122201121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293335247 (or 293335244 counting only the distinct ones).

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

Adding to 20122201121202 its reverse (20212110222102), we get a palindrome (40334311343304).

The spelling of 20122201121202 in words is "twenty trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred two".