122111202010 has 64 divisors (see below), whose sum is σ = 256575340800. Its totient is φ = 40977050112.

The previous prime is 122111202001. The next prime is 122111202029. The reversal of 122111202010 is 10202111221.

It is a super-2 number, since 2×122111202010² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881214 + ... + 1010326.

It is an arithmetic number, because the mean of its divisors is an integer number (4008989700).

Almost surely, 2^122111202010 is an apocalyptic number.

122111202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122111202010 is an abundant number, since it is smaller than the sum of its proper divisors (134464138790).

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

122111202010 is a wasteful number, since it uses less digits than its factorization.

122111202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129415.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122111202010 its reverse (10202111221), we get a palindrome (132313313231).

The spelling of 122111202010 in words is "one hundred twenty-two billion, one hundred eleven million, two hundred two thousand, ten".