1211100201022 has 32 divisors (see below), whose sum is σ = 1881269118432. Its totient is φ = 584382511104.

The previous prime is 1211100201019. The next prime is 1211100201041. The reversal of 1211100201022 is 2201020011121.

It is a junction number, because it is equal to n+sod(n) for n = 1211100200993 and 1211100201011.

It is a congruent 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, 2884038 + ... + 3277174.

It is an arithmetic number, because the mean of its divisors is an integer number (58789659951).

Almost surely, 2^{1211100201022} is an apocalyptic number.

1211100201022 is a deficient number, since it is larger than the sum of its proper divisors (670168917410).

1211100201022 is a wasteful number, since it uses less digits than its factorization.

1211100201022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393612.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1211100201022 its reverse (2201020011121), we get a palindrome (3412120212143).

The spelling of 1211100201022 in words is "one trillion, two hundred eleven billion, one hundred million, two hundred one thousand, twenty-two".