2211012201021 has 16 divisors (see below), whose sum is σ = 3178056409920. Its totient is φ = 1359221610240.

The previous prime is 2211012201001. The next prime is 2211012201061. The reversal of 2211012201021 is 1201022101122.

It is not a de Polignac number, because 2211012201021 - 2¹⁰ = 2211012199997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211012201001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29155036 + ... + 29230773.

It is an arithmetic number, because the mean of its divisors is an integer number (198628525620).

Almost surely, 2^{2211012201021} is an apocalyptic number.

It is an amenable number.

2211012201021 is a deficient number, since it is larger than the sum of its proper divisors (967044208899).

2211012201021 is a wasteful number, since it uses less digits than its factorization.

2211012201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58386796.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211012201021 its reverse (1201022101122), we get a palindrome (3412034302143).

The spelling of 2211012201021 in words is "two trillion, two hundred eleven billion, twelve million, two hundred one thousand, twenty-one".