202220002121123 has 16 divisors (see below), whose sum is σ = 247125999777984. Its totient is φ = 161520261273600.

The previous prime is 202220002121117. The next prime is 202220002121143. The reversal of 202220002121123 is 321121200022202.

It is a cyclic number.

It is not a de Polignac number, because 202220002121123 - 2²² = 202219997926819 is a prime.

It is a super-2 number, since 2×202220002121123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202220002121095 and 202220002121104.

It is not an unprimeable number, because it can be changed into a prime (202220002121143) 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, 8412501590 + ... + 8412525627.

It is an arithmetic number, because the mean of its divisors is an integer number (15445374986124).

Almost surely, 2^{202220002121123} is an apocalyptic number.

202220002121123 is a deficient number, since it is larger than the sum of its proper divisors (44905997656861).

202220002121123 is a wasteful number, since it uses less digits than its factorization.

202220002121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16825027342.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202220002121123 its reverse (321121200022202), we get a palindrome (523341202143325).

The spelling of 202220002121123 in words is "two hundred two trillion, two hundred twenty billion, two million, one hundred twenty-one thousand, one hundred twenty-three".