101221110200120 has 32 divisors (see below), whose sum is σ = 227822194026000. Its totient is φ = 40475164777728.

The previous prime is 101221110200057. The next prime is 101221110200159. The reversal of 101221110200120 is 21002011122101.

It is a junction number, because it is equal to n+sod(n) for n = 101221110200095 and 101221110200104.

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, 414854714 + ... + 415098633.

Almost surely, 2^{101221110200120} is an apocalyptic number.

101221110200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101221110200120 is an abundant number, since it is smaller than the sum of its proper divisors (126601083825880).

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

101221110200120 is a wasteful number, since it uses less digits than its factorization.

101221110200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829956407 (or 829956403 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101221110200120 its reverse (21002011122101), we get a palindrome (122223121322221).

The spelling of 101221110200120 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred ten million, two hundred thousand, one hundred twenty".