101212102122220 has 12 divisors (see below), whose sum is σ = 212545414456704. Its totient is φ = 40484840848880.

The previous prime is 101212102122169. The next prime is 101212102122283. The reversal of 101212102122220 is 22221201212101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2530302553036 + ... + 2530302553075.

It is an arithmetic number, because the mean of its divisors is an integer number (17712117871392).

Almost surely, 2^{101212102122220} is an apocalyptic number.

101212102122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212102122220 is an abundant number, since it is smaller than the sum of its proper divisors (111333312334484).

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

101212102122220 is a wasteful number, since it uses less digits than its factorization.

101212102122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060605106120 (or 5060605106118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101212102122220 its reverse (22221201212101), we get a palindrome (123433303334321).

The spelling of 101212102122220 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred twenty".