2031102202100 has 144 divisors (see below), whose sum is σ = 4757665489920. Its totient is φ = 750111436800.

The previous prime is 2031102202079. The next prime is 2031102202121. The reversal of 2031102202100 is 12022011302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2031102202079) and next prime (2031102202121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76094957 + ... + 76121643.

It is an arithmetic number, because the mean of its divisors is an integer number (33039343680).

Almost surely, 2^{2031102202100} is an apocalyptic number.

2031102202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031102202100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2378832744960).

2031102202100 is an abundant number, since it is smaller than the sum of its proper divisors (2726563287820).

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

2031102202100 is a wasteful number, since it uses less digits than its factorization.

2031102202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27738 (or 27731 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2031102202100 its reverse (12022011302), we get a palindrome (2043124213402).

The spelling of 2031102202100 in words is "two trillion, thirty-one billion, one hundred two million, two hundred two thousand, one hundred".