210122112202102 has 4 divisors (see below), whose sum is σ = 315183168303156. Its totient is φ = 105061056101050.

The previous prime is 210122112202091. The next prime is 210122112202109. The reversal of 210122112202102 is 201202211221012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210122112202102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122112202109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52530528050524 + ... + 52530528050527.

It is an arithmetic number, because the mean of its divisors is an integer number (78795792075789).

Almost surely, 2^{210122112202102} is an apocalyptic number.

210122112202102 is a deficient number, since it is larger than the sum of its proper divisors (105061056101054).

210122112202102 is a wasteful number, since it uses less digits than its factorization.

210122112202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105061056101053.

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

Adding to 210122112202102 its reverse (201202211221012), we get a palindrome (411324323423114).

The spelling of 210122112202102 in words is "two hundred ten trillion, one hundred twenty-two billion, one hundred twelve million, two hundred two thousand, one hundred two".