200101202021989 has 2 divisors, whose sum is σ = 200101202021990. Its totient is φ = 200101202021988.

The previous prime is 200101202021971. The next prime is 200101202022013. The reversal of 200101202021989 is 989120202101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199545853644900 + 555348377089 = 14126070^2 + 745217^2 .

It is a cyclic number.

It is not a de Polignac number, because 200101202021989 - 2¹⁷ = 200101201890917 is a prime.

It is a super-2 number, since 2×200101202021989² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200101202021389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100050601010994 + 100050601010995.

It is an arithmetic number, because the mean of its divisors is an integer number (100050601010995).

Almost surely, 2^{200101202021989} is an apocalyptic number.

It is an amenable number.

200101202021989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200101202021989 is an equidigital number, since it uses as much as digits as its factorization.

200101202021989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 200101202021989 in words is "two hundred trillion, one hundred one billion, two hundred two million, twenty-one thousand, nine hundred eighty-nine".