2002101231102 has 48 divisors (see below), whose sum is σ = 4670642016000. Its totient is φ = 570470230512.

The previous prime is 2002101231083. The next prime is 2002101231103. The reversal of 2002101231102 is 2011321012002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002101231103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9169852 + ... + 9385647.

It is an arithmetic number, because the mean of its divisors is an integer number (97305042000).

Almost surely, 2^{2002101231102} is an apocalyptic number.

2002101231102 is an abundant number, since it is smaller than the sum of its proper divisors (2668540784898).

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

2002101231102 is a wasteful number, since it uses less digits than its factorization.

2002101231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18555885 (or 18555878 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2002101231102 its reverse (2011321012002), we get a palindrome (4013422243104).

The spelling of 2002101231102 in words is "two trillion, two billion, one hundred one million, two hundred thirty-one thousand, one hundred two".