2102120130 has 32 divisors (see below), whose sum is σ = 5503733568. Its totient is φ = 509604800.

The previous prime is 2102120093. The next prime is 2102120147. The reversal of 2102120130 is 310212012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184701 + ... + 3185360.

It is an arithmetic number, because the mean of its divisors is an integer number (171991674).

Almost surely, 2^2102120130 is an apocalyptic number.

2102120130 is an abundant number, since it is smaller than the sum of its proper divisors (3401613438).

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

2102120130 is a wasteful number, since it uses less digits than its factorization.

2102120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370082.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102120130 is about 45848.8836287210. The cubic root of 2102120130 is about 1281.0099715183.

Adding to 2102120130 its reverse (310212012), we get a palindrome (2412332142).

The spelling of 2102120130 in words is "two billion, one hundred two million, one hundred twenty thousand, one hundred thirty".