200220222212121 has 16 divisors (see below), whose sum is σ = 266986671171584. Its totient is φ = 133466961317904.

The previous prime is 200220222212069. The next prime is 200220222212147. The reversal of 200220222212121 is 121212222022002.

It is not a de Polignac number, because 200220222212121 - 2⁹ = 200220222211609 is a prime.

It is a super-2 number, since 2×200220222212121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200220222216121) 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, 2211770766 + ... + 2211861288.

It is an arithmetic number, because the mean of its divisors is an integer number (16686666948224).

Almost surely, 2^{200220222212121} is an apocalyptic number.

It is an amenable number.

200220222212121 is a deficient number, since it is larger than the sum of its proper divisors (66766448959463).

200220222212121 is a wasteful number, since it uses less digits than its factorization.

200220222212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155220.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 200220222212121 its reverse (121212222022002), we get a palindrome (321432444234123).

The spelling of 200220222212121 in words is "two hundred trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty-one".