202101012220101 has 32 divisors (see below), whose sum is σ = 278939049934848. Its totient is φ = 130022872470720.

The previous prime is 202101012220099. The next prime is 202101012220127. The reversal of 202101012220101 is 101022210101202.

It is not a de Polignac number, because 202101012220101 - 2¹ = 202101012220099 is a prime.

It is a super-4 number, since 4×202101012220101⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101212220101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477520086 + ... + 477943128.

It is an arithmetic number, because the mean of its divisors is an integer number (8716845310464).

Almost surely, 2^{202101012220101} is an apocalyptic number.

It is an amenable number.

202101012220101 is a deficient number, since it is larger than the sum of its proper divisors (76838037714747).

202101012220101 is a wasteful number, since it uses less digits than its factorization.

202101012220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437441.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202101012220101 its reverse (101022210101202), we get a palindrome (303123222321303).

The spelling of 202101012220101 in words is "two hundred two trillion, one hundred one billion, twelve million, two hundred twenty thousand, one hundred one".