2202110001989 has 2 divisors, whose sum is σ = 2202110001990. Its totient is φ = 2202110001988.

The previous prime is 2202110001953. The next prime is 2202110002069. The reversal of 2202110001989 is 9891000112022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1747530651364 + 454579350625 = 1321942^2 + 674225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2202110001989 is a prime.

It is a super-2 number, since 2×2202110001989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2202110001389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101055000994 + 1101055000995.

It is an arithmetic number, because the mean of its divisors is an integer number (1101055000995).

Almost surely, 2^{2202110001989} is an apocalyptic number.

It is an amenable number.

2202110001989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2202110001989 is an equidigital number, since it uses as much as digits as its factorization.

2202110001989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 2202110001989 in words is "two trillion, two hundred two billion, one hundred ten million, one thousand, nine hundred eighty-nine".