221122011210100 has 216 divisors, whose sum is σ = 649134382434944. Its totient is φ = 63619519392000.

The previous prime is 221122011210059. The next prime is 221122011210101. The reversal of 221122011210100 is 1012110221122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122011210101) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 99308496 + ... + 101510695.

Almost surely, 2^{221122011210100} is an apocalyptic number.

221122011210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221122011210100 is an abundant number, since it is smaller than the sum of its proper divisors (428012371224844).

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

221122011210100 is a wasteful number, since it uses less digits than its factorization.

221122011210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200819247 (or 200819229 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221122011210100 its reverse (1012110221122), we get a palindrome (222134121431222).

The spelling of 221122011210100 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, eleven million, two hundred ten thousand, one hundred".