2002022002121 has 16 divisors (see below), whose sum is σ = 2128747262400. Its totient is φ = 1877440968000.

The previous prime is 2002022002103. The next prime is 2002022002207. The reversal of 2002022002121 is 1212002202002.

It is a cyclic number.

It is not a de Polignac number, because 2002022002121 - 2¹⁰ = 2002022001097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002022002096 and 2002022002105.

It is not an unprimeable number, because it can be changed into a prime (2002022004121) 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, 8365910 + ... + 8601888.

It is an arithmetic number, because the mean of its divisors is an integer number (133046703900).

Almost surely, 2^{2002022002121} is an apocalyptic number.

It is an amenable number.

2002022002121 is a deficient number, since it is larger than the sum of its proper divisors (126725260279).

2002022002121 is a wasteful number, since it uses less digits than its factorization.

2002022002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240520.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002022002121 its reverse (1212002202002), we get a palindrome (3214024204123).

The spelling of 2002022002121 in words is "two trillion, two billion, twenty-two million, two thousand, one hundred twenty-one".