22002111220212 has 24 divisors (see below), whose sum is σ = 57042510571200. Its totient is φ = 7334037073368.

The previous prime is 22002111220207. The next prime is 22002111220217. The reversal of 22002111220212 is 21202211120022.

It is a happy number.

22002111220212 is a `hidden beast` number, since 2 + 20 + 0 + 211 + 1 + 220 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (22002111220207) and next prime (22002111220217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002111220217) 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, 101861625912 + ... + 101861626127.

It is an arithmetic number, because the mean of its divisors is an integer number (2376771273800).

Almost surely, 2^{22002111220212} is an apocalyptic number.

It is an amenable number.

22002111220212 is an abundant number, since it is smaller than the sum of its proper divisors (35040399350988).

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

22002111220212 is a wasteful number, since it uses less digits than its factorization.

22002111220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203723252052 (or 203723252044 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22002111220212 its reverse (21202211120022), we get a palindrome (43204322340234).

The spelling of 22002111220212 in words is "twenty-two trillion, two billion, one hundred eleven million, two hundred twenty thousand, two hundred twelve".