3121102202130 has 192 divisors, whose sum is σ = 8880297753600. Its totient is φ = 754264748160.

The previous prime is 3121102202117. The next prime is 3121102202137. The reversal of 3121102202130 is 312022011213.

3121102202130 is a `hidden beast` number, since 312 + 1 + 1 + 0 + 220 + 2 + 130 = 666.

It is a super-2 number, since 2×3121102202130² (a number of 26 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3121102202137) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 940372611 + ... + 940375929.

It is an arithmetic number, because the mean of its divisors is an integer number (46251550800).

Almost surely, 2^{3121102202130} is an apocalyptic number.

3121102202130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3121102202130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4440148876800).

3121102202130 is an abundant number, since it is smaller than the sum of its proper divisors (5759195551470).

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

3121102202130 is a wasteful number, since it uses less digits than its factorization.

3121102202130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6029 (or 6026 counting only the distinct ones).

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

Adding to 3121102202130 its reverse (312022011213), we get a palindrome (3433124213343).

The spelling of 3121102202130 in words is "three trillion, one hundred twenty-one billion, one hundred two million, two hundred two thousand, one hundred thirty".