1211201111202 has 32 divisors (see below), whose sum is σ = 2424990318912. Its totient is φ = 403302568704.

The previous prime is 1211201111147. The next prime is 1211201111243. The reversal of 1211201111202 is 2021111021121.

It is a happy number.

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, 24539833 + ... + 24589139.

It is an arithmetic number, because the mean of its divisors is an integer number (75780947466).

Almost surely, 2^{1211201111202} is an apocalyptic number.

1211201111202 is an abundant number, since it is smaller than the sum of its proper divisors (1213789207710).

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

1211201111202 is a wasteful number, since it uses less digits than its factorization.

1211201111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53602.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1211201111202 its reverse (2021111021121), we get a palindrome (3232312132323).

The spelling of 1211201111202 in words is "one trillion, two hundred eleven billion, two hundred one million, one hundred eleven thousand, two hundred two".