112001222001989 has 2 divisors, whose sum is σ = 112001222001990. Its totient is φ = 112001222001988.

The previous prime is 112001222001973. The next prime is 112001222002031. The reversal of 112001222001989 is 989100222100211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110645511079489 + 1355710922500 = 10518817^2 + 1164350^2 .

It is a cyclic number.

It is not a de Polignac number, because 112001222001989 - 2⁴ = 112001222001973 is a prime.

It is a super-2 number, since 2×112001222001989² (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 (112001222021989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000611000994 + 56000611000995.

It is an arithmetic number, because the mean of its divisors is an integer number (56000611000995).

Almost surely, 2^{112001222001989} is an apocalyptic number.

It is an amenable number.

112001222001989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112001222001989 is an equidigital number, since it uses as much as digits as its factorization.

112001222001989 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 38.

The spelling of 112001222001989 in words is "one hundred twelve trillion, one billion, two hundred twenty-two million, one thousand, nine hundred eighty-nine".