2221211222202 has 32 divisors (see below), whose sum is σ = 5077105459200. Its totient is φ = 634625373168.

The previous prime is 2221211222129. The next prime is 2221211222213. The reversal of 2221211222202 is 2022221121222.

It is a super-2 number, since 2×2221211222202² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5320999 + ... + 5723237.

It is an arithmetic number, because the mean of its divisors is an integer number (158659545600).

Almost surely, 2^{2221211222202} is an apocalyptic number.

2221211222202 is an abundant number, since it is smaller than the sum of its proper divisors (2855894236998).

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

2221211222202 is a wasteful number, since it uses less digits than its factorization.

2221211222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533730.

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

Adding to 2221211222202 its reverse (2022221121222), we get a palindrome (4243432343424).

The spelling of 2221211222202 in words is "two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred two".