2311212202101 has 96 divisors (see below), whose sum is σ = 3857192801280. Its totient is φ = 1318855219200.

The previous prime is 2311212202073. The next prime is 2311212202151. The reversal of 2311212202101 is 1012022121132.

2311212202101 is a `hidden beast` number, since 231 + 1 + 2 + 1 + 220 + 210 + 1 = 666.

It is not a de Polignac number, because 2311212202101 - 2¹⁸ = 2311211939957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311212202151) 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, 474481696 + ... + 474486566.

It is an arithmetic number, because the mean of its divisors is an integer number (40179091680).

Almost surely, 2^{2311212202101} is an apocalyptic number.

It is an amenable number.

2311212202101 is a deficient number, since it is larger than the sum of its proper divisors (1545980599179).

2311212202101 is a wasteful number, since it uses less digits than its factorization.

2311212202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6407 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2311212202101 its reverse (1012022121132), we get a palindrome (3323234323233).

The spelling of 2311212202101 in words is "two trillion, three hundred eleven billion, two hundred twelve million, two hundred two thousand, one hundred one".