740112101021 has 2 divisors, whose sum is σ = 740112101022. Its totient is φ = 740112101020.

The previous prime is 740112100969. The next prime is 740112101087. The reversal of 740112101021 is 120101211047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739108161796 + 1003939225 = 859714^2 + 31685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740112101021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 740112100984 and 740112101002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740112103021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370056050510 + 370056050511.

It is an arithmetic number, because the mean of its divisors is an integer number (370056050511).

Almost surely, 2^740112101021 is an apocalyptic number.

It is an amenable number.

740112101021 is a deficient number, since it is larger than the sum of its proper divisors (1).

740112101021 is an equidigital number, since it uses as much as digits as its factorization.

740112101021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 740112101021 its reverse (120101211047), we get a palindrome (860213312068).

The spelling of 740112101021 in words is "seven hundred forty billion, one hundred twelve million, one hundred one thousand, twenty-one".