1122323547621 has 16 divisors (see below), whose sum is σ = 1591031299968. Its totient is φ = 701280998400.

The previous prime is 1122323547607. The next prime is 1122323547659. The reversal of 1122323547621 is 1267453232211.

It is not a de Polignac number, because 1122323547621 - 2⁵ = 1122323547589 is a prime.

It is a super-2 number, since 2×1122323547621² (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 1122323547621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122323547661) 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, 45644025 + ... + 45668606.

It is an arithmetic number, because the mean of its divisors is an integer number (99439456248).

Almost surely, 2^{1122323547621} is an apocalyptic number.

It is an amenable number.

1122323547621 is a deficient number, since it is larger than the sum of its proper divisors (468707752347).

1122323547621 is a wasteful number, since it uses less digits than its factorization.

1122323547621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91312892.

The product of its digits is 120960, while the sum is 39.

Adding to 1122323547621 its reverse (1267453232211), we get a palindrome (2389776779832).

The spelling of 1122323547621 in words is "one trillion, one hundred twenty-two billion, three hundred twenty-three million, five hundred forty-seven thousand, six hundred twenty-one".