2123025213021 has 8 divisors (see below), whose sum is σ = 2922013196544. Its totient is φ = 1369693685760.

The previous prime is 2123025212981. The next prime is 2123025213059. The reversal of 2123025213021 is 1203125203212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2123025213021 - 2¹⁵ = 2123025180253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2123025212982 and 2123025213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123025213121) 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, 11414113956 + ... + 11414114141.

It is an arithmetic number, because the mean of its divisors is an integer number (365251649568).

Almost surely, 2^{2123025213021} is an apocalyptic number.

It is an amenable number.

2123025213021 is a deficient number, since it is larger than the sum of its proper divisors (798987983523).

2123025213021 is a wasteful number, since it uses less digits than its factorization.

2123025213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22828228131.

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 2123025213021 in words is "two trillion, one hundred twenty-three billion, twenty-five million, two hundred thirteen thousand, twenty-one".