22101212121132 has 12 divisors (see below), whose sum is σ = 51569494949336. Its totient is φ = 7367070707040.

The previous prime is 22101212121119. The next prime is 22101212121133. The reversal of 22101212121132 is 23112121210122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×22101212121132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22101212121099 and 22101212121108.

It is not an unprimeable number, because it can be changed into a prime (22101212121133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920883838369 + ... + 920883838392.

Almost surely, 2^{22101212121132} is an apocalyptic number.

It is an amenable number.

22101212121132 is an abundant number, since it is smaller than the sum of its proper divisors (29468282828204).

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

22101212121132 is a wasteful number, since it uses less digits than its factorization.

22101212121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841767676768 (or 1841767676766 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 22101212121132 its reverse (23112121210122), we get a palindrome (45213333331254).

The spelling of 22101212121132 in words is "twenty-two trillion, one hundred one billion, two hundred twelve million, one hundred twenty-one thousand, one hundred thirty-two".