102210121221022 has 4 divisors (see below), whose sum is σ = 153315181831536. Its totient is φ = 51105060610510.

The previous prime is 102210121221007. The next prime is 102210121221071. The reversal of 102210121221022 is 220122121012201.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×102210121221022³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552530305254 + ... + 25552530305257.

It is an arithmetic number, because the mean of its divisors is an integer number (38328795457884).

Almost surely, 2^{102210121221022} is an apocalyptic number.

102210121221022 is a deficient number, since it is larger than the sum of its proper divisors (51105060610514).

102210121221022 is an equidigital number, since it uses as much as digits as its factorization.

102210121221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51105060610513.

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

Adding to 102210121221022 its reverse (220122121012201), we get a palindrome (322332242233223).

The spelling of 102210121221022 in words is "one hundred two trillion, two hundred ten billion, one hundred twenty-one million, two hundred twenty-one thousand, twenty-two".