1020012101009 has 8 divisors (see below), whose sum is σ = 1116365039328. Its totient is φ = 924263256960.

The previous prime is 1020012100973. The next prime is 1020012101027. The reversal of 1020012101009 is 9001012100201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020012101009 - 2³⁶ = 951292624273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020012101039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151020032 + ... + 151026785.

It is an arithmetic number, because the mean of its divisors is an integer number (139545629916).

Almost surely, 2^{1020012101009} is an apocalyptic number.

It is an amenable number.

1020012101009 is a deficient number, since it is larger than the sum of its proper divisors (96352938319).

1020012101009 is a wasteful number, since it uses less digits than its factorization.

1020012101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302047135.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1020012101009 in words is "one trillion, twenty billion, twelve million, one hundred one thousand, nine".