101212200020022 has 128 divisors (see below), whose sum is σ = 255941291289600. Its totient is φ = 25964769148416.

The previous prime is 101212200020003. The next prime is 101212200020039. The reversal of 101212200020022 is 220020002212101.

It is a junction number, because it is equal to n+sod(n) for n = 101212200019983 and 101212200020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73234504 + ... + 74603732.

It is an arithmetic number, because the mean of its divisors is an integer number (1999541338200).

Almost surely, 2^{101212200020022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101212200020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127970645644800).

101212200020022 is an abundant number, since it is smaller than the sum of its proper divisors (154729091269578).

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

101212200020022 is a wasteful number, since it uses less digits than its factorization.

101212200020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372950.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 101212200020022 its reverse (220020002212101), we get a palindrome (321232202232123).

The spelling of 101212200020022 in words is "one hundred one trillion, two hundred twelve billion, two hundred million, twenty thousand, twenty-two".