101220101020212 has 24 divisors (see below), whose sum is σ = 236190775867200. Its totient is φ = 33738527937216.

The previous prime is 101220101020097. The next prime is 101220101020267. The reversal of 101220101020212 is 212020101022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220101020191 and 101220101020200.

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, 187936912 + ... + 188474727.

It is an arithmetic number, because the mean of its divisors is an integer number (9841282327800).

Almost surely, 2^{101220101020212} is an apocalyptic number.

101220101020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101220101020212 is an abundant number, since it is smaller than the sum of its proper divisors (134970674846988).

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

101220101020212 is a wasteful number, since it uses less digits than its factorization.

101220101020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376434055 (or 376434053 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220101020212 its reverse (212020101022101), we get a palindrome (313240202042313).

The spelling of 101220101020212 in words is "one hundred one trillion, two hundred twenty billion, one hundred one million, twenty thousand, two hundred twelve".