20022101122121 has 8 divisors (see below), whose sum is σ = 22885022174784. Its totient is φ = 17159835292560.

The previous prime is 20022101122073. The next prime is 20022101122147. The reversal of 20022101122121 is 12122110122002.

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 20022101122121 - 2²² = 20022096927817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022101122121.

It is not an unprimeable number, because it can be changed into a prime (20022101122721) 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, 163740290 + ... + 163862523.

It is an arithmetic number, because the mean of its divisors is an integer number (2860627771848).

Almost surely, 2^{20022101122121} is an apocalyptic number.

It is an amenable number.

20022101122121 is a deficient number, since it is larger than the sum of its proper divisors (2862921052663).

20022101122121 is an equidigital number, since it uses as much as digits as its factorization.

20022101122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327611551.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20022101122121 its reverse (12122110122002), we get a palindrome (32144211244123).

The spelling of 20022101122121 in words is "twenty trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred twenty-one".