101212011021222 has 80 divisors (see below), whose sum is σ = 238993379187552. Its totient is φ = 31950986284800.

The previous prime is 101212011021167. The next prime is 101212011021223. The reversal of 101212011021222 is 222120110212101.

101212011021222 is a `hidden beast` number, since 101 + 212 + 0 + 110 + 21 + 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 = 101212011021195 and 101212011021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212011021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134097523 + ... + 134850174.

Almost surely, 2^{101212011021222} is an apocalyptic number.

101212011021222 is an abundant number, since it is smaller than the sum of its proper divisors (137781368166330).

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

101212011021222 is a wasteful number, since it uses less digits than its factorization.

101212011021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268947835 (or 268947826 counting only the distinct ones).

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

Adding to 101212011021222 its reverse (222120110212101), we get a palindrome (323332121233323).

The spelling of 101212011021222 in words is "one hundred one trillion, two hundred twelve billion, eleven million, twenty-one thousand, two hundred twenty-two".