1122101993 has 2 divisors, whose sum is σ = 1122101994. Its totient is φ = 1122101992.

The previous prime is 1122101977. The next prime is 1122102001. The reversal of 1122101993 is 3991012211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776625424 + 345476569 = 27868^2 + 18587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122101993 - 2⁴ = 1122101977 is a prime.

It is a super-2 number, since 2×1122101993² = 2518225765389144098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1122101093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561050996 + 561050997.

It is an arithmetic number, because the mean of its divisors is an integer number (561050997).

Almost surely, 2^1122101993 is an apocalyptic number.

It is an amenable number.

1122101993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122101993 is an equidigital number, since it uses as much as digits as its factorization.

1122101993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1122101993 is about 33497.7908674587. The cubic root of 1122101993 is about 1039.1480921128.

The spelling of 1122101993 in words is "one billion, one hundred twenty-two million, one hundred one thousand, nine hundred ninety-three".