2212132312101 has 4 divisors (see below), whose sum is σ = 2949509749472. Its totient is φ = 1474754874732.

The previous prime is 2212132312087. The next prime is 2212132312111. The reversal of 2212132312101 is 1012132312122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2212132312101 - 2¹⁸ = 2212132049957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212132312111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368688718681 + ... + 368688718686.

It is an arithmetic number, because the mean of its divisors is an integer number (737377437368).

Almost surely, 2^{2212132312101} is an apocalyptic number.

It is an amenable number.

2212132312101 is a deficient number, since it is larger than the sum of its proper divisors (737377437371).

2212132312101 is an equidigital number, since it uses as much as digits as its factorization.

2212132312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737377437370.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2212132312101 its sum of digits (21), we get a palindrome (2212132312122).

Adding to 2212132312101 its reverse (1012132312122), we get a palindrome (3224264624223).

The spelling of 2212132312101 in words is "two trillion, two hundred twelve billion, one hundred thirty-two million, three hundred twelve thousand, one hundred one".