202012111019 has 8 divisors (see below), whose sum is σ = 206948863968. Its totient is φ = 197075816640.

The previous prime is 202012111013. The next prime is 202012111033. The reversal of 202012111019 is 910111210202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202012111019 is a prime.

It is a super-2 number, since 2×202012111019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202012111013) 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, 881669 + ... + 1086905.

It is an arithmetic number, because the mean of its divisors is an integer number (25868607996).

Almost surely, 2^202012111019 is an apocalyptic number.

202012111019 is a deficient number, since it is larger than the sum of its proper divisors (4936752949).

202012111019 is a wasteful number, since it uses less digits than its factorization.

202012111019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229285.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 202012111019 in words is "two hundred two billion, twelve million, one hundred eleven thousand, nineteen".