101011122201001 has 4 divisors (see below), whose sum is σ = 101037936943872. Its totient is φ = 100984307458132.

The previous prime is 101011122200957. The next prime is 101011122201049. The reversal of 101011122201001 is 100102221110101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101011122201001 - 2¹¹ = 101011122198953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101011122201701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13407365785 + ... + 13407373318.

It is an arithmetic number, because the mean of its divisors is an integer number (25259484235968).

Almost surely, 2^{101011122201001} is an apocalyptic number.

It is an amenable number.

101011122201001 is a deficient number, since it is larger than the sum of its proper divisors (26814742871).

101011122201001 is an equidigital number, since it uses as much as digits as its factorization.

101011122201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26814742870.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101011122201001 its reverse (100102221110101), we get a palindrome (201113343311102).

The spelling of 101011122201001 in words is "one hundred one trillion, eleven billion, one hundred twenty-two million, two hundred one thousand, one".