101021220022212 has 144 divisors (see below), whose sum is σ = 291968448670080. Its totient is φ = 28850414478336.

The previous prime is 101021220022187. The next prime is 101021220022231. The reversal of 101021220022212 is 212220022120101.

It is a happy number.

101021220022212 is a `hidden beast` number, since 10 + 10 + 212 + 200 + 22 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8512779103 + ... + 8512790969.

It is an arithmetic number, because the mean of its divisors is an integer number (2027558671320).

Almost surely, 2^{101021220022212} is an apocalyptic number.

101021220022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101021220022212 is an abundant number, since it is smaller than the sum of its proper divisors (190947228647868).

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

101021220022212 is a wasteful number, since it uses less digits than its factorization.

101021220022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24010 (or 24005 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101021220022212 its reverse (212220022120101), we get a palindrome (313241242142313).

The spelling of 101021220022212 in words is "one hundred one trillion, twenty-one billion, two hundred twenty million, twenty-two thousand, two hundred twelve".