2031121332120 has 64 divisors (see below), whose sum is σ = 6093603900000. Its totient is φ = 541611030528.

The previous prime is 2031121332113. The next prime is 2031121332127. The reversal of 2031121332120 is 212331211302.

It is an interprime number because it is at equal distance from previous prime (2031121332113) and next prime (2031121332127).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031121332127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2853906 + ... + 3493854.

Almost surely, 2^{2031121332120} is an apocalyptic number.

2031121332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031121332120 is an abundant number, since it is smaller than the sum of its proper divisors (4062482567880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031121332120 is a wasteful number, since it uses less digits than its factorization.

2031121332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666412 (or 666408 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2031121332120 its reverse (212331211302), we get a palindrome (2243452543422).

The spelling of 2031121332120 in words is "two trillion, thirty-one billion, one hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty".