901050221377 has 2 divisors, whose sum is σ = 901050221378. Its totient is φ = 901050221376.

The previous prime is 901050221299. The next prime is 901050221411. The reversal of 901050221377 is 773122050109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 882323941041 + 18726280336 = 939321^2 + 136844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901050221377 is a prime.

It is a super-2 number, since 2×901050221377² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (901050224377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450525110688 + 450525110689.

It is an arithmetic number, because the mean of its divisors is an integer number (450525110689).

Almost surely, 2^901050221377 is an apocalyptic number.

It is an amenable number.

901050221377 is a deficient number, since it is larger than the sum of its proper divisors (1).

901050221377 is an equidigital number, since it uses as much as digits as its factorization.

901050221377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The spelling of 901050221377 in words is "nine hundred one billion, fifty million, two hundred twenty-one thousand, three hundred seventy-seven".