1020102211001 has 4 divisors (see below), whose sum is σ = 1020194363904. Its totient is φ = 1020010058100.

The previous prime is 1020102210977. The next prime is 1020102211003. The reversal of 1020102211001 is 1001122010201.

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 1020102211001 - 2²² = 1020098016697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020102211003) 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, 46059845 + ... + 46081986.

It is an arithmetic number, because the mean of its divisors is an integer number (255048590976).

Almost surely, 2^{1020102211001} is an apocalyptic number.

It is an amenable number.

1020102211001 is a deficient number, since it is larger than the sum of its proper divisors (92152903).

1020102211001 is an equidigital number, since it uses as much as digits as its factorization.

1020102211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92152902.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1020102211001 its reverse (1001122010201), we get a palindrome (2021224221202).

The spelling of 1020102211001 in words is "one trillion, twenty billion, one hundred two million, two hundred eleven thousand, one".