2202020121 has 8 divisors (see below), whose sum is σ = 3355459264. Its totient is φ = 1258297200.

The previous prime is 2202020113. The next prime is 2202020123. The reversal of 2202020121 is 1210202022.

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

It is not a de Polignac number, because 2202020121 - 2³ = 2202020113 is a prime.

It is a super-2 number, since 2×2202020121² = 9697785226577709282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2202020097 and 2202020106.

It is not an unprimeable number, because it can be changed into a prime (2202020123) 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, 52429030 + ... + 52429071.

It is an arithmetic number, because the mean of its divisors is an integer number (419432408).

Almost surely, 2^2202020121 is an apocalyptic number.

2202020121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2202020121 is a deficient number, since it is larger than the sum of its proper divisors (1153439143).

2202020121 is a wasteful number, since it uses less digits than its factorization.

2202020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104858111.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2202020121 is about 46925.6872192619. The cubic root of 2202020121 is about 1300.9894087191.

Adding to 2202020121 its reverse (1210202022), we get a palindrome (3412222143).

The spelling of 2202020121 in words is "two billion, two hundred two million, twenty thousand, one hundred twenty-one".