202001121019 has 8 divisors (see below), whose sum is σ = 202527252800. Its totient is φ = 201475209600.

The previous prime is 202001120989. The next prime is 202001121053. The reversal of 202001121019 is 910121100202.

It is a happy number.

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 202001121019 - 2²¹ = 201999023867 is a prime.

It is a super-2 number, since 2×202001121019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001120987 and 202001121005.

It is not an unprimeable number, because it can be changed into a prime (202001121059) 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, 1867582 + ... + 1972780.

It is an arithmetic number, because the mean of its divisors is an integer number (25315906600).

Almost surely, 2^202001121019 is an apocalyptic number.

202001121019 is a deficient number, since it is larger than the sum of its proper divisors (526131781).

202001121019 is a wasteful number, since it uses less digits than its factorization.

202001121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110181.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 202001121019 in words is "two hundred two billion, one million, one hundred twenty-one thousand, nineteen".