1020122211001 has 4 divisors (see below), whose sum is σ = 1020202808400. Its totient is φ = 1020041613604.

The previous prime is 1020122210969. The next prime is 1020122211013. The reversal of 1020122211001 is 1001122210201.

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 1020122211001 - 2⁵ = 1020122210969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020122211041) 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, 40279711 + ... + 40305028.

It is an arithmetic number, because the mean of its divisors is an integer number (255050702100).

Almost surely, 2^{1020122211001} is an apocalyptic number.

It is an amenable number.

1020122211001 is a deficient number, since it is larger than the sum of its proper divisors (80597399).

1020122211001 is an equidigital number, since it uses as much as digits as its factorization.

1020122211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80597398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1020122211001 its reverse (1001122210201), we get a palindrome (2021244421202).

The spelling of 1020122211001 in words is "one trillion, twenty billion, one hundred twenty-two million, two hundred eleven thousand, one".