101212100211222 has 192 divisors, whose sum is σ = 301282533167616. Its totient is φ = 23702296826880.

The previous prime is 101212100211139. The next prime is 101212100211253. The reversal of 101212100211222 is 222112001212101.

101212100211222 is a `hidden beast` number, since 1 + 0 + 1 + 21 + 210 + 0 + 211 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 101212100211195 and 101212100211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64542403 + ... + 66091950.

It is an arithmetic number, because the mean of its divisors is an integer number (1569179860248).

Almost surely, 2^{101212100211222} is an apocalyptic number.

101212100211222 is an abundant number, since it is smaller than the sum of its proper divisors (200070432956394).

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

101212100211222 is a wasteful number, since it uses less digits than its factorization.

101212100211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130634435 (or 130634432 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 101212100211222 its reverse (222112001212101), we get a palindrome (323324101423323).

The spelling of 101212100211222 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, two hundred eleven thousand, two hundred twenty-two".