200121210210022 has 8 divisors (see below), whose sum is σ = 301916970317376. Its totient is φ = 99482220104232.

The previous prime is 200121210209981. The next prime is 200121210210023. The reversal of 200121210210022 is 220012012121002.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 200121210209978 and 200121210210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121210210023) 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, 289192499958 + ... + 289192500649.

It is an arithmetic number, because the mean of its divisors is an integer number (37739621289672).

Almost surely, 2^{200121210210022} is an apocalyptic number.

200121210210022 is a deficient number, since it is larger than the sum of its proper divisors (101795760107354).

200121210210022 is a wasteful number, since it uses less digits than its factorization.

200121210210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578385000782.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200121210210022 its reverse (220012012121002), we get a palindrome (420133222331024).

The spelling of 200121210210022 in words is "two hundred trillion, one hundred twenty-one billion, two hundred ten million, two hundred ten thousand, twenty-two".