10101012109987 has 16 divisors (see below), whose sum is σ = 10388034293760. Its totient is φ = 9818933756800.

The previous prime is 10101012109961. The next prime is 10101012110009. The reversal of 10101012109987 is 78990121010101.

It is a cyclic number.

It is not a de Polignac number, because 10101012109987 - 2⁴³ = 1304919087779 is a prime.

It is a super-2 number, since 2×10101012109987² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101012109787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763437 + ... + 4828222.

It is an arithmetic number, because the mean of its divisors is an integer number (649252143360).

Almost surely, 2^{10101012109987} is an apocalyptic number.

10101012109987 is a deficient number, since it is larger than the sum of its proper divisors (287022183773).

10101012109987 is a wasteful number, since it uses less digits than its factorization.

10101012109987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592034.

The product of its (nonzero) digits is 9072, while the sum is 40.

The spelling of 10101012109987 in words is "ten trillion, one hundred one billion, twelve million, one hundred nine thousand, nine hundred eighty-seven".