220202020121001 has 16 divisors (see below), whose sum is σ = 300764184983808. Its totient is φ = 143220611721600.

The previous prime is 220202020120991. The next prime is 220202020121059. The reversal of 220202020121001 is 100121020202022.

It is not a de Polignac number, because 220202020121001 - 2⁵ = 220202020120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220202020121071) 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, 155489235 + ... + 156899031.

It is an arithmetic number, because the mean of its divisors is an integer number (18797761561488).

Almost surely, 2^{220202020121001} is an apocalyptic number.

It is an amenable number.

220202020121001 is a deficient number, since it is larger than the sum of its proper divisors (80562164862807).

220202020121001 is a wasteful number, since it uses less digits than its factorization.

220202020121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679712.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220202020121001 its reverse (100121020202022), we get a palindrome (320323040323023).

The spelling of 220202020121001 in words is "two hundred twenty trillion, two hundred two billion, twenty million, one hundred twenty-one thousand, one".