1000122220131 has 16 divisors (see below), whose sum is σ = 1405799804928. Its totient is φ = 631511625600.

The previous prime is 1000122220081. The next prime is 1000122220177. The reversal of 1000122220131 is 1310222210001.

It is not a de Polignac number, because 1000122220131 - 2⁶ = 1000122220067 is a prime.

It is a super-2 number, since 2×1000122220131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000122220131.

It is not an unprimeable number, because it can be changed into a prime (1000122220631) 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, 114399910 + ... + 114408651.

It is an arithmetic number, because the mean of its divisors is an integer number (87862487808).

Almost surely, 2^{1000122220131} is an apocalyptic number.

1000122220131 is a deficient number, since it is larger than the sum of its proper divisors (405677584797).

1000122220131 is a wasteful number, since it uses less digits than its factorization.

1000122220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228808642.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1000122220131 its reverse (1310222210001), we get a palindrome (2310344430132).

The spelling of 1000122220131 in words is "one trillion, one hundred twenty-two million, two hundred twenty thousand, one hundred thirty-one".