202213100231121 has 32 divisors (see below), whose sum is σ = 308833506521856. Its totient is φ = 115288300512000.

The previous prime is 202213100231081. The next prime is 202213100231137. The reversal of 202213100231121 is 121132001312202.

It is not a de Polignac number, because 202213100231121 - 2³⁴ = 202195920361937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (202213100231221) 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, 23312851 + ... + 30788231.

It is an arithmetic number, because the mean of its divisors is an integer number (9651047078808).

Almost surely, 2^{202213100231121} is an apocalyptic number.

202213100231121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202213100231121 is a deficient number, since it is larger than the sum of its proper divisors (106620406290735).

202213100231121 is a wasteful number, since it uses less digits than its factorization.

202213100231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478313.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 202213100231121 its reverse (121132001312202), we get a palindrome (323345101543323).

The spelling of 202213100231121 in words is "two hundred two trillion, two hundred thirteen billion, one hundred million, two hundred thirty-one thousand, one hundred twenty-one".