201000101122220 has 12 divisors (see below), whose sum is σ = 422100212356704. Its totient is φ = 80400040448880.

The previous prime is 201000101122111. The next prime is 201000101122241. The reversal of 201000101122220 is 22221101000102.

It is a super-2 number, since 2×201000101122220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201000101122195 and 201000101122204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025002528036 + ... + 5025002528075.

It is an arithmetic number, because the mean of its divisors is an integer number (35175017696392).

Almost surely, 2^{201000101122220} is an apocalyptic number.

201000101122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201000101122220 is an abundant number, since it is smaller than the sum of its proper divisors (221100111234484).

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

201000101122220 is a wasteful number, since it uses less digits than its factorization.

201000101122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050005056120 (or 10050005056118 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201000101122220 its reverse (22221101000102), we get a palindrome (223221202122322).

The spelling of 201000101122220 in words is "two hundred one trillion, one hundred one million, one hundred twenty-two thousand, two hundred twenty".