221031222130122 has 16 divisors (see below), whose sum is σ = 442067369233440. Its totient is φ = 73676253214512.

The previous prime is 221031222130109. The next prime is 221031222130129.

221031222130122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221031222130092 and 221031222130101.

It is not an unprimeable number, because it can be changed into a prime (221031222130129) 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, 204623653 + ... + 205701000.

It is an arithmetic number, because the mean of its divisors is an integer number (27629210577090).

Almost surely, 2^{221031222130122} is an apocalyptic number.

221031222130122 is an abundant number, since it is smaller than the sum of its proper divisors (221036147103318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221031222130122 is a wasteful number, since it uses less digits than its factorization.

221031222130122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410414437.

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 221031222130122 in words is "two hundred twenty-one trillion, thirty-one billion, two hundred twenty-two million, one hundred thirty thousand, one hundred twenty-two".