101121100212220 has 24 divisors (see below), whose sum is σ = 231659247759408. Its totient is φ = 36771309168000.

The previous prime is 101121100212179. The next prime is 101121100212263. The reversal of 101121100212220 is 22212001121101.

It is a junction number, because it is equal to n+sod(n) for n = 101121100212194 and 101121100212203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229820682081 + ... + 229820682520.

It is an arithmetic number, because the mean of its divisors is an integer number (9652468656642).

Almost surely, 2^{101121100212220} is an apocalyptic number.

101121100212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121100212220 is an abundant number, since it is smaller than the sum of its proper divisors (130538147547188).

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

101121100212220 is a wasteful number, since it uses less digits than its factorization.

101121100212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459641364621 (or 459641364619 counting only the distinct ones).

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

Adding to 101121100212220 its reverse (22212001121101), we get a palindrome (123333101333321).

The spelling of 101121100212220 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred million, two hundred twelve thousand, two hundred twenty".