122222210122021 has 8 divisors (see below), whose sum is σ = 128655205488000. Its totient is φ = 115789239502560.

The previous prime is 122222210121961. The next prime is 122222210122109. The reversal of 122222210122021 is 120221012222221.

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 122222210122021 - 2¹⁷ = 122222209990949 is a prime.

It is a super-2 number, since 2×122222210122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122222210121983 and 122222210122001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222210132021) 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, 4417305 + ... + 16246753.

It is an arithmetic number, because the mean of its divisors is an integer number (16081900686000).

Almost surely, 2^{122222210122021} is an apocalyptic number.

It is an amenable number.

122222210122021 is a deficient number, since it is larger than the sum of its proper divisors (6432995365979).

122222210122021 is a wasteful number, since it uses less digits than its factorization.

122222210122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12373259.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 122222210122021 its reverse (120221012222221), we get a palindrome (242443222344242).

The spelling of 122222210122021 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty-two thousand, twenty-one".