202122012212110 has 8 divisors (see below), whose sum is σ = 363819621981816. Its totient is φ = 80848804884840.

The previous prime is 202122012212011. The next prime is 202122012212111. The reversal of 202122012212110 is 11212210221202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122012212111) 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, 10106100610596 + ... + 10106100610615.

It is an arithmetic number, because the mean of its divisors is an integer number (45477452747727).

Almost surely, 2^{202122012212110} is an apocalyptic number.

202122012212110 is a deficient number, since it is larger than the sum of its proper divisors (161697609769706).

202122012212110 is a wasteful number, since it uses less digits than its factorization.

202122012212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212201221218.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202122012212110 its reverse (11212210221202), we get a palindrome (213334222433312).

The spelling of 202122012212110 in words is "two hundred two trillion, one hundred twenty-two billion, twelve million, two hundred twelve thousand, one hundred ten".