210022121220102 has 32 divisors (see below), whose sum is σ = 482809474072800. Its totient is φ = 67593326369184.

The previous prime is 210022121220097. The next prime is 210022121220139. The reversal of 210022121220102 is 201022121220012.

It is a happy number.

210022121220102 is a `hidden beast` number, since 2 + 100 + 221 + 21 + 220 + 102 = 666.

It is a super-2 number, since 2×210022121220102² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67056869833 + ... + 67056872964.

It is an arithmetic number, because the mean of its divisors is an integer number (15087796064775).

Almost surely, 2^{210022121220102} is an apocalyptic number.

210022121220102 is an abundant number, since it is smaller than the sum of its proper divisors (272787352852698).

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

210022121220102 is a wasteful number, since it uses less digits than its factorization.

210022121220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134113742837 (or 134113742831 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210022121220102 its reverse (201022121220012), we get a palindrome (411044242440114).

The spelling of 210022121220102 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".