10010120994 has 64 divisors (see below), whose sum is σ = 23033894400. Its totient is φ = 3218552064.

The previous prime is 10010120963. The next prime is 10010121029. The reversal of 10010120994 is 49902101001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2075674 + ... + 2080490.

It is an arithmetic number, because the mean of its divisors is an integer number (359904600).

Almost surely, 2^10010120994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10010120994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11516947200).

10010120994 is an abundant number, since it is smaller than the sum of its proper divisors (13023773406).

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

10010120994 is a wasteful number, since it uses less digits than its factorization.

10010120994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6178 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

Adding to 10010120994 its reverse (49902101001), we get a palindrome (59912221995).

The spelling of 10010120994 in words is "ten billion, ten million, one hundred twenty thousand, nine hundred ninety-four".