122020202101021 has 8 divisors (see below), whose sum is σ = 139451820865664. Its totient is φ = 104588623666800.

The previous prime is 122020202101003. The next prime is 122020202101033. The reversal of 122020202101021 is 120101202020221.

It is a happy number.

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

It is not a de Polignac number, because 122020202101021 - 2¹⁷ = 122020201969949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020202100986 and 122020202101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020202101081) 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, 3294705 + ... + 15965446.

It is an arithmetic number, because the mean of its divisors is an integer number (17431477608208).

Almost surely, 2^{122020202101021} is an apocalyptic number.

It is an amenable number.

122020202101021 is a deficient number, since it is larger than the sum of its proper divisors (17431618764643).

122020202101021 is an equidigital number, since it uses as much as digits as its factorization.

122020202101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20165211.

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

Adding to 122020202101021 its reverse (120101202020221), we get a palindrome (242121404121242).

The spelling of 122020202101021 in words is "one hundred twenty-two trillion, twenty billion, two hundred two million, one hundred one thousand, twenty-one".