2211312321202 has 4 divisors (see below), whose sum is σ = 3316968481806. Its totient is φ = 1105656160600.

The previous prime is 2211312321187. The next prime is 2211312321221. The reversal of 2211312321202 is 2021232131122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1932708867961 + 278603453241 = 1390219^2 + 527829^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552828080299 + ... + 552828080302.

Almost surely, 2^{2211312321202} is an apocalyptic number.

2211312321202 is a deficient number, since it is larger than the sum of its proper divisors (1105656160604).

2211312321202 is a wasteful number, since it uses less digits than its factorization.

2211312321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105656160603.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2211312321202 its reverse (2021232131122), we get a palindrome (4232544452324).

The spelling of 2211312321202 in words is "two trillion, two hundred eleven billion, three hundred twelve million, three hundred twenty-one thousand, two hundred two".