20122202211121 has 8 divisors (see below), whose sum is σ = 20214382890240. Its totient is φ = 20030140247712.

The previous prime is 20122202211071. The next prime is 20122202211131. The reversal of 20122202211121 is 12111220222102.

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 20122202211121 - 2²³ = 20122193822513 is a prime.

It is a super-2 number, since 2×20122202211121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122202211131) 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, 29339145 + ... + 30017158.

It is an arithmetic number, because the mean of its divisors is an integer number (2526797861280).

Almost surely, 2^{20122202211121} is an apocalyptic number.

It is an amenable number.

20122202211121 is a deficient number, since it is larger than the sum of its proper divisors (92180679119).

20122202211121 is a wasteful number, since it uses less digits than its factorization.

20122202211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59357855.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122202211121 its reverse (12111220222102), we get a palindrome (32233422433223).

The spelling of 20122202211121 in words is "twenty trillion, one hundred twenty-two billion, two hundred two million, two hundred eleven thousand, one hundred twenty-one".