2031121102032 has 60 divisors (see below), whose sum is σ = 6201074278464. Its totient is φ = 615491242560.

The previous prime is 2031121102009. The next prime is 2031121102061. The reversal of 2031121102032 is 2302011211302.

It is a super-2 number, since 2×2031121102032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031121101996 and 2031121102014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641135128 + ... + 641138295.

Almost surely, 2^{2031121102032} is an apocalyptic number.

2031121102032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2031121102032 is an abundant number, since it is smaller than the sum of its proper divisors (4169953176432).

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

2031121102032 is a wasteful number, since it uses less digits than its factorization.

2031121102032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282273448 (or 1282273439 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2031121102032 its reverse (2302011211302), we get a palindrome (4333132313334).

The spelling of 2031121102032 in words is "two trillion, thirty-one billion, one hundred twenty-one million, one hundred two thousand, thirty-two".