1023021211001 has 16 divisors (see below), whose sum is σ = 1081872080640. Its totient is φ = 965438633280.

The previous prime is 1023021210919. The next prime is 1023021211013. The reversal of 1023021211001 is 1001121203201.

It is a cyclic number.

It is not a de Polignac number, because 1023021211001 - 2³⁰ = 1021947469177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023021211801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165410 + ... + 1439931.

It is an arithmetic number, because the mean of its divisors is an integer number (67617005040).

Almost surely, 2^{1023021211001} is an apocalyptic number.

It is an amenable number.

1023021211001 is a deficient number, since it is larger than the sum of its proper divisors (58850869639).

1023021211001 is a wasteful number, since it uses less digits than its factorization.

1023021211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605736.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1023021211001 its reverse (1001121203201), we get a palindrome (2024142414202).

The spelling of 1023021211001 in words is "one trillion, twenty-three billion, twenty-one million, two hundred eleven thousand, one".