101020001989433 has 2 divisors, whose sum is σ = 101020001989434. Its totient is φ = 101020001989432.

The previous prime is 101020001989429. The next prime is 101020001989469. The reversal of 101020001989433 is 334989100020101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98045801668864 + 2974200320569 = 9901808^2 + 1724587^2 .

It is a cyclic number.

It is not a de Polignac number, because 101020001989433 - 2² = 101020001989429 is a prime.

It is a super-2 number, since 2×101020001989433² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101020001919433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510000994716 + 50510000994717.

It is an arithmetic number, because the mean of its divisors is an integer number (50510000994717).

Almost surely, 2^{101020001989433} is an apocalyptic number.

It is an amenable number.

101020001989433 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020001989433 is an equidigital number, since it uses as much as digits as its factorization.

101020001989433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 101020001989433 in words is "one hundred one trillion, twenty billion, one million, nine hundred eighty-nine thousand, four hundred thirty-three".