10201021111019 has 16 divisors (see below), whose sum is σ = 10405755176544. Its totient is φ = 9997502803200.

The previous prime is 10201021110971. The next prime is 10201021111079. The reversal of 10201021111019 is 91011112010201.

It is a cyclic number.

It is not a de Polignac number, because 10201021111019 - 2²⁸ = 10200752675563 is a prime.

It is a super-2 number, since 2×10201021111019² (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 (10201021111079) 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, 357001817 + ... + 357030389.

It is an arithmetic number, because the mean of its divisors is an integer number (650359698534).

Almost surely, 2^{10201021111019} is an apocalyptic number.

10201021111019 is a deficient number, since it is larger than the sum of its proper divisors (204734065525).

10201021111019 is a wasteful number, since it uses less digits than its factorization.

10201021111019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49598.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 10201021111019 in words is "ten trillion, two hundred one billion, twenty-one million, one hundred eleven thousand, nineteen".