20214033121 has 8 divisors (see below), whose sum is σ = 20330109800. Its totient is φ = 20098005120.

The previous prime is 20214033109. The next prime is 20214033143. The reversal of 20214033121 is 12133041202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133726096 + 20080307025 = 11564^2 + 141705^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20214033121 - 2⁵ = 20214033089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214036121) 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, 1118485 + ... + 1136413.

It is an arithmetic number, because the mean of its divisors is an integer number (2541263725).

Almost surely, 2^20214033121 is an apocalyptic number.

It is an amenable number.

20214033121 is a deficient number, since it is larger than the sum of its proper divisors (116076679).

20214033121 is a wasteful number, since it uses less digits than its factorization.

20214033121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24339.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20214033121 its reverse (12133041202), we get a palindrome (32347074323).

The spelling of 20214033121 in words is "twenty billion, two hundred fourteen million, thirty-three thousand, one hundred twenty-one".