20222121010101 has 16 divisors (see below), whose sum is σ = 27722378519808. Its totient is φ = 13104065433600.

The previous prime is 20222121010093. The next prime is 20222121010109. The reversal of 20222121010101 is 10101012122202.

It is an interprime number because it is at equal distance from previous prime (20222121010093) and next prime (20222121010109).

It is not a de Polignac number, because 20222121010101 - 2³ = 20222121010093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222121010109) 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, 303301516 + ... + 303368181.

It is an arithmetic number, because the mean of its divisors is an integer number (1732648657488).

Almost surely, 2^{20222121010101} is an apocalyptic number.

It is an amenable number.

20222121010101 is a deficient number, since it is larger than the sum of its proper divisors (7500257509707).

20222121010101 is a wasteful number, since it uses less digits than its factorization.

20222121010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606670012.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20222121010101 its reverse (10101012122202), we get a palindrome (30323133132303).

The spelling of 20222121010101 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, ten thousand, one hundred one".