2011022202100 has 18 divisors (see below), whose sum is σ = 4363918178774. Its totient is φ = 804408880800.

The previous prime is 2011022202001. The next prime is 2011022202113. The reversal of 2011022202100 is 12022201102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 99538988004 + 1911483214096 = 315498^2 + 1382564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10055110911 + ... + 10055111110.

Almost surely, 2^{2011022202100} is an apocalyptic number.

2011022202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011022202100 is an abundant number, since it is smaller than the sum of its proper divisors (2352895976674).

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

2011022202100 is a wasteful number, since it uses less digits than its factorization.

2011022202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110222035 (or 20110222028 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2011022202100 its reverse (12022201102), we get a palindrome (2023044403202).

It can be divided in two parts, 2011022 and 202100, that added together give a palindrome (2213122).

The spelling of 2011022202100 in words is "two trillion, eleven billion, twenty-two million, two hundred two thousand, one hundred".