12212011021101 has 16 divisors (see below), whose sum is σ = 16297210238400. Its totient is φ = 8134079389568.

The previous prime is 12212011021073. The next prime is 12212011021153. The reversal of 12212011021101 is 10112011021221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12212011021101 - 2⁵ = 12212011021069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212011021601) 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, 15221515 + ... + 16003703.

It is an arithmetic number, because the mean of its divisors is an integer number (1018575639900).

Almost surely, 2^{12212011021101} is an apocalyptic number.

It is an amenable number.

12212011021101 is a deficient number, since it is larger than the sum of its proper divisors (4085199217299).

12212011021101 is a wasteful number, since it uses less digits than its factorization.

12212011021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786828.

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

Adding to 12212011021101 its reverse (10112011021221), we get a palindrome (22324022042322).

The spelling of 12212011021101 in words is "twelve trillion, two hundred twelve billion, eleven million, twenty-one thousand, one hundred one".