12210111021201 has 32 divisors (see below), whose sum is σ = 17517116755968. Its totient is φ = 7550188873920.

The previous prime is 12210111021131. The next prime is 12210111021247. The reversal of 12210111021201 is 10212011101221.

It is a happy number.

It is not a de Polignac number, because 12210111021201 - 2¹⁸ = 12210110759057 is a prime.

It is a super-2 number, since 2×12210111021201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210111022201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26250195 + ... + 26711288.

It is an arithmetic number, because the mean of its divisors is an integer number (547409898624).

Almost surely, 2^{12210111021201} is an apocalyptic number.

It is an amenable number.

12210111021201 is a deficient number, since it is larger than the sum of its proper divisors (5307005734767).

12210111021201 is a wasteful number, since it uses less digits than its factorization.

12210111021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52961621.

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

Adding to 12210111021201 its reverse (10212011101221), we get a palindrome (22422122122422).

The spelling of 12210111021201 in words is "twelve trillion, two hundred ten billion, one hundred eleven million, twenty-one thousand, two hundred one".