12222101021 has 8 divisors (see below), whose sum is σ = 13212312960. Its totient is φ = 11239039152.

The previous prime is 12222100991. The next prime is 12222101027. The reversal of 12222101021 is 12010122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12222101021 - 2¹⁰ = 12222099997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12222100987 and 12222101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222101027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1783961 + ... + 1790798.

It is an arithmetic number, because the mean of its divisors is an integer number (1651539120).

Almost surely, 2^12222101021 is an apocalyptic number.

It is an amenable number.

12222101021 is a deficient number, since it is larger than the sum of its proper divisors (990211939).

12222101021 is a wasteful number, since it uses less digits than its factorization.

12222101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575035.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12222101021 its reverse (12010122221), we get a palindrome (24232223242).

The spelling of 12222101021 in words is "twelve billion, two hundred twenty-two million, one hundred one thousand, twenty-one".