20114220121 has 4 divisors (see below), whose sum is σ = 20115632592. Its totient is φ = 20112807652.

The previous prime is 20114220109. The next prime is 20114220143. The reversal of 20114220121 is 12102241102.

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 20114220121 - 2²³ = 20105831513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20114220095 and 20114220104.

It is not an unprimeable number, because it can be changed into a prime (20114220151) 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, 684655 + ... + 713428.

It is an arithmetic number, because the mean of its divisors is an integer number (5028908148).

Almost surely, 2^20114220121 is an apocalyptic number.

It is an amenable number.

20114220121 is a deficient number, since it is larger than the sum of its proper divisors (1412471).

20114220121 is a wasteful number, since it uses less digits than its factorization.

20114220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412470.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20114220121 its reverse (12102241102), we get a palindrome (32216461223).

The spelling of 20114220121 in words is "twenty billion, one hundred fourteen million, two hundred twenty thousand, one hundred twenty-one".