202020220101102 has 96 divisors (see below), whose sum is σ = 449038483572096. Its totient is φ = 60531052982400.

The previous prime is 202020220101031. The next prime is 202020220101107. The reversal of 202020220101102 is 201101022020202.

It is a super-2 number, since 2×202020220101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020220101107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7433352 + ... + 21431172.

It is an arithmetic number, because the mean of its divisors is an integer number (4677484203876).

Almost surely, 2^{202020220101102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202020220101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224519241786048).

202020220101102 is an abundant number, since it is smaller than the sum of its proper divisors (247018263470994).

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

202020220101102 is a wasteful number, since it uses less digits than its factorization.

202020220101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13998226 (or 13998213 counting only the distinct ones).

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

Adding to 202020220101102 its reverse (201101022020202), we get a palindrome (403121242121304).

The spelling of 202020220101102 in words is "two hundred two trillion, twenty billion, two hundred twenty million, one hundred one thousand, one hundred two".