2031121102 has 4 divisors (see below), whose sum is σ = 3046681656. Its totient is φ = 1015560550.

The previous prime is 2031121091. The next prime is 2031121123. The reversal of 2031121102 is 2011211302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2011211302 = 2 ⋅1005605651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507780274 + ... + 507780277.

It is an arithmetic number, because the mean of its divisors is an integer number (761670414).

Almost surely, 2^2031121102 is an apocalyptic number.

2031121102 is a deficient number, since it is larger than the sum of its proper divisors (1015560554).

2031121102 is a wasteful number, since it uses less digits than its factorization.

2031121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015560553.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2031121102 is about 45067.9609256953. The cubic root of 2031121102 is about 1266.4224656504.

Adding to 2031121102 its reverse (2011211302), we get a palindrome (4042332404).

The spelling of 2031121102 in words is "two billion, thirty-one million, one hundred twenty-one thousand, one hundred two".