200002011122021 has 4 divisors (see below), whose sum is σ = 200111721497472. Its totient is φ = 199892300746572.

The previous prime is 200002011122009. The next prime is 200002011122047. The reversal of 200002011122021 is 120221110200002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200002011122021 - 2¹⁰ = 200002011120997 is a prime.

It is a super-2 number, since 2×200002011122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002011121987 and 200002011122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002011422021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54855184991 + ... + 54855188636.

It is an arithmetic number, because the mean of its divisors is an integer number (50027930374368).

Almost surely, 2^{200002011122021} is an apocalyptic number.

It is an amenable number.

200002011122021 is a deficient number, since it is larger than the sum of its proper divisors (109710375451).

200002011122021 is a wasteful number, since it uses less digits than its factorization.

200002011122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109710375450.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200002011122021 its reverse (120221110200002), we get a palindrome (320223121322023).

The spelling of 200002011122021 in words is "two hundred trillion, two billion, eleven million, one hundred twenty-two thousand, twenty-one".