100211012122220 has 48 divisors (see below), whose sum is σ = 210748742568000. Its totient is φ = 40026195014400.

The previous prime is 100211012122187. The next prime is 100211012122223. The reversal of 100211012122220 is 22221210112001.

It is a super-3 number, since 3×100211012122220³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (100211012122223) 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, 785603006 + ... + 785730554.

It is an arithmetic number, because the mean of its divisors is an integer number (4390598803500).

Almost surely, 2^{100211012122220} is an apocalyptic number.

100211012122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211012122220 is an abundant number, since it is smaller than the sum of its proper divisors (110537730445780).

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

100211012122220 is a wasteful number, since it uses less digits than its factorization.

100211012122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184298 (or 184296 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100211012122220 its reverse (22221210112001), we get a palindrome (122432222234221).

The spelling of 100211012122220 in words is "one hundred trillion, two hundred eleven billion, twelve million, one hundred twenty-two thousand, two hundred twenty".