210211120122 has 32 divisors (see below), whose sum is σ = 425288283840. Its totient is φ = 69259893120.

The previous prime is 210211120121. The next prime is 210211120123. The reversal of 210211120122 is 221021112012.

It is an interprime number because it is at equal distance from previous prime (210211120121) and next prime (210211120123).

It is not an unprimeable number, because it can be changed into a prime (210211120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1570273 + ... + 1698875.

It is an arithmetic number, because the mean of its divisors is an integer number (13290258870).

Almost surely, 2^210211120122 is an apocalyptic number.

210211120122 is an abundant number, since it is smaller than the sum of its proper divisors (215077163718).

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

210211120122 is a wasteful number, since it uses less digits than its factorization.

210211120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131758.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210211120122 its reverse (221021112012), we get a palindrome (431232232134).

It can be divided in two parts, 21021112012 and 2, that multiplied together give a palindrome (42042224024).

The spelling of 210211120122 in words is "two hundred ten billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-two".