201111211112202 has 64 divisors (see below), whose sum is σ = 451096536447360. Its totient is φ = 66409676860032.

The previous prime is 201111211112183. The next prime is 201111211112243. The reversal of 201111211112202 is 202211112111102.

It is a happy number.

201111211112202 is a `hidden beast` number, since 201 + 11 + 121 + 111 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550304728 + ... + 550670060.

It is an arithmetic number, because the mean of its divisors is an integer number (7048383381990).

Almost surely, 2^{201111211112202} is an apocalyptic number.

201111211112202 is an abundant number, since it is smaller than the sum of its proper divisors (249985325335158).

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

201111211112202 is a wasteful number, since it uses less digits than its factorization.

201111211112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460724 (or 460718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 201111211112202 its reverse (202211112111102), we get a palindrome (403322323223304).

The spelling of 201111211112202 in words is "two hundred one trillion, one hundred eleven billion, two hundred eleven million, one hundred twelve thousand, two hundred two".