2212051001655 has 32 divisors (see below), whose sum is σ = 3955206060288. Its totient is φ = 1046350803200.

The previous prime is 2212051001647. The next prime is 2212051001701. The reversal of 2212051001655 is 5561001502122.

It is not a de Polignac number, because 2212051001655 - 2³ = 2212051001647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163485549 + ... + 163499078.

It is an arithmetic number, because the mean of its divisors is an integer number (123600189384).

Almost surely, 2^{2212051001655} is an apocalyptic number.

2212051001655 is a deficient number, since it is larger than the sum of its proper divisors (1743155058633).

2212051001655 is a wasteful number, since it uses less digits than its factorization.

2212051001655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326984687.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 2212051001655 its reverse (5561001502122), we get a palindrome (7773052503777).

The spelling of 2212051001655 in words is "two trillion, two hundred twelve billion, fifty-one million, one thousand, six hundred fifty-five".