212202012221101 has 16 divisors (see below), whose sum is σ = 248432719368960. Its totient is φ = 177450377685120.

The previous prime is 212202012221053. The next prime is 212202012221113. The reversal of 212202012221101 is 101122210202212.

It is not a de Polignac number, because 212202012221101 - 2⁷ = 212202012220973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202012221501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68884920 + ... + 71899486.

It is an arithmetic number, because the mean of its divisors is an integer number (15527044960560).

Almost surely, 2^{212202012221101} is an apocalyptic number.

It is an amenable number.

212202012221101 is a deficient number, since it is larger than the sum of its proper divisors (36230707147859).

212202012221101 is a wasteful number, since it uses less digits than its factorization.

212202012221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259884.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212202012221101 its reverse (101122210202212), we get a palindrome (313324222423313).

The spelling of 212202012221101 in words is "two hundred twelve trillion, two hundred two billion, twelve million, two hundred twenty-one thousand, one hundred one".