101021010121212 has 48 divisors (see below), whose sum is σ = 243847719242400. Its totient is φ = 32511988776960.

The previous prime is 101021010121201. The next prime is 101021010121217. The reversal of 101021010121212 is 212121010120101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101021010121191 and 101021010121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021010121217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19758864 + ... + 24340392.

It is an arithmetic number, because the mean of its divisors is an integer number (5080160817550).

Almost surely, 2^{101021010121212} is an apocalyptic number.

101021010121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101021010121212 is an abundant number, since it is smaller than the sum of its proper divisors (142826709121188).

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

101021010121212 is a wasteful number, since it uses less digits than its factorization.

101021010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644926 (or 4644924 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101021010121212 its reverse (212121010120101), we get a palindrome (313142020241313).

The spelling of 101021010121212 in words is "one hundred one trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two hundred twelve".