2021123002 has 16 divisors (see below), whose sum is σ = 3128402592. Its totient is φ = 978581520.

The previous prime is 2021122993. The next prime is 2021123009. The reversal of 2021123002 is 2003211202.

It is not an unprimeable number, because it can be changed into a prime (2021123009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49108 + ... + 80335.

It is an arithmetic number, because the mean of its divisors is an integer number (195525162).

Almost surely, 2^2021123002 is an apocalyptic number.

2021123002 is a deficient number, since it is larger than the sum of its proper divisors (1107279590).

2021123002 is a wasteful number, since it uses less digits than its factorization.

2021123002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129693.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2021123002 is about 44956.9016058714. The cubic root of 2021123002 is about 1264.3410779900.

Adding to 2021123002 its reverse (2003211202), we get a palindrome (4024334204).

The spelling of 2021123002 in words is "two billion, twenty-one million, one hundred twenty-three thousand, two".