10121111012010 has 32 divisors (see below), whose sum is σ = 25346782362240. Its totient is φ = 2581616721728.

The previous prime is 10121111011951. The next prime is 10121111012039. The reversal of 10121111012010 is 1021011112101.

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, 7334137725 + ... + 7334139104.

It is an arithmetic number, because the mean of its divisors is an integer number (792086948820).

Almost surely, 2^{10121111012010} is an apocalyptic number.

10121111012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121111012010 is an abundant number, since it is smaller than the sum of its proper divisors (15225671350230).

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

10121111012010 is a wasteful number, since it uses less digits than its factorization.

10121111012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14668276862.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10121111012010 its reverse (1021011112101), we get a palindrome (11142122124111).

The spelling of 10121111012010 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, twelve thousand, ten".