12021221101102 has 32 divisors (see below), whose sum is σ = 19822337397504. Its totient is φ = 5442914956800.

The previous prime is 12021221101093. The next prime is 12021221101139. The reversal of 12021221101102 is 20110112212021.

It is a super-2 number, since 2×12021221101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32781049 + ... + 33145732.

It is an arithmetic number, because the mean of its divisors is an integer number (619448043672).

Almost surely, 2^{12021221101102} is an apocalyptic number.

12021221101102 is a deficient number, since it is larger than the sum of its proper divisors (7801116296402).

12021221101102 is a wasteful number, since it uses less digits than its factorization.

12021221101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65927004.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12021221101102 its reverse (20110112212021), we get a palindrome (32131333313123).

The spelling of 12021221101102 in words is "twelve trillion, twenty-one billion, two hundred twenty-one million, one hundred one thousand, one hundred two".