1102022001901 has 2 divisors, whose sum is σ = 1102022001902. Its totient is φ = 1102022001900.

The previous prime is 1102022001893. The next prime is 1102022002049. The reversal of 1102022001901 is 1091002202011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994355986276 + 107666015625 = 997174^2 + 328125^2 .

It is an emirp because it is prime and its reverse (1091002202011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102022001901 - 2³ = 1102022001893 is a prime.

It is a super-2 number, since 2×1102022001901² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102022401901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551011000950 + 551011000951.

It is an arithmetic number, because the mean of its divisors is an integer number (551011000951).

Almost surely, 2^{1102022001901} is an apocalyptic number.

It is an amenable number.

1102022001901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102022001901 is an equidigital number, since it uses as much as digits as its factorization.

1102022001901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1102022001901 its reverse (1091002202011), we get a palindrome (2193024203912).

The spelling of 1102022001901 in words is "one trillion, one hundred two billion, twenty-two million, one thousand, nine hundred one".