2131011121202 has 4 divisors (see below), whose sum is σ = 3196516681806. Its totient is φ = 1065505560600.

The previous prime is 2131011121163. The next prime is 2131011121231. The reversal of 2131011121202 is 2021211101312.

It is a happy number.

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., 1087955388601 + 1043055732601 = 1043051^2 + 1021301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532752780299 + ... + 532752780302.

Almost surely, 2^{2131011121202} is an apocalyptic number.

2131011121202 is a deficient number, since it is larger than the sum of its proper divisors (1065505560604).

2131011121202 is a wasteful number, since it uses less digits than its factorization.

2131011121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065505560603.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2131011121202 its reverse (2021211101312), we get a palindrome (4152222222514).

The spelling of 2131011121202 in words is "two trillion, one hundred thirty-one billion, eleven million, one hundred twenty-one thousand, two hundred two".