22211402124 has 24 divisors (see below), whose sum is σ = 52408928880. Its totient is φ = 7320611584.

The previous prime is 22211402123. The next prime is 22211402141. The reversal of 22211402124 is 42120411222.

It is a super-2 number, since 2×22211402124² (a number of 21 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 22211402124.

It is not an unprimeable number, because it can be changed into a prime (22211402123) 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, 10397529 + ... + 10399664.

It is an arithmetic number, because the mean of its divisors is an integer number (2183705370).

Almost surely, 2^22211402124 is an apocalyptic number.

It is an amenable number.

22211402124 is an abundant number, since it is smaller than the sum of its proper divisors (30197526756).

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

22211402124 is a wasteful number, since it uses less digits than its factorization.

22211402124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20797289 (or 20797287 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22211402124 its reverse (42120411222), we get a palindrome (64331813346).

The spelling of 22211402124 in words is "twenty-two billion, two hundred eleven million, four hundred two thousand, one hundred twenty-four".