11211220222202 has 192 divisors, whose sum is σ = 23217754484736. Its totient is φ = 3990792032640.

The previous prime is 11211220222159. The next prime is 11211220222207. The reversal of 11211220222202 is 20222202211211.

It is a super-2 number, since 2×11211220222202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11211220222207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2169771023 + ... + 2169776189.

It is an arithmetic number, because the mean of its divisors is an integer number (120925804608).

Almost surely, 2^{11211220222202} is an apocalyptic number.

11211220222202 is an abundant number, since it is smaller than the sum of its proper divisors (12006534262534).

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

11211220222202 is a wasteful number, since it uses less digits than its factorization.

11211220222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11211220222202 its reverse (20222202211211), we get a palindrome (31433422433413).

The spelling of 11211220222202 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-two thousand, two hundred two".