210222121221102 has 64 divisors (see below), whose sum is σ = 424048270464000. Its totient is φ = 69475781427840.

The previous prime is 210222121221053. The next prime is 210222121221109. The reversal of 210222121221102 is 201122121222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210222121221109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2481362299 + ... + 2481447017.

It is an arithmetic number, because the mean of its divisors is an integer number (6625754226000).

Almost surely, 2^{210222121221102} is an apocalyptic number.

210222121221102 is an abundant number, since it is smaller than the sum of its proper divisors (213826149242898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210222121221102 is a wasteful number, since it uses less digits than its factorization.

210222121221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91801.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 210222121221102 its reverse (201122121222012), we get a palindrome (411344242443114).

The spelling of 210222121221102 in words is "two hundred ten trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred two".