22220101002012 has 24 divisors (see below), whose sum is σ = 51847028090256. Its totient is φ = 7406682369408.

The previous prime is 22220101002007. The next prime is 22220101002013. The reversal of 22220101002012 is 21020010102222.

It is a super-2 number, since 2×22220101002012² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22220101001982 and 22220101002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22220101002013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3495138 + ... + 7527030.

It is an arithmetic number, because the mean of its divisors is an integer number (2160292837094).

Almost surely, 2^{22220101002012} is an apocalyptic number.

It is an amenable number.

22220101002012 is an abundant number, since it is smaller than the sum of its proper divisors (29626927088244).

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

22220101002012 is a wasteful number, since it uses less digits than its factorization.

22220101002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491157 (or 4491155 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22220101002012 its reverse (21020010102222), we get a palindrome (43240111104234).

The spelling of 22220101002012 in words is "twenty-two trillion, two hundred twenty billion, one hundred one million, two thousand, twelve".