122112121010 has 16 divisors (see below), whose sum is σ = 239783801472. Its totient is φ = 44404407600.

The previous prime is 122112120983. The next prime is 122112121037. The reversal of 122112121010 is 10121211221.

It is an interprime number because it is at equal distance from previous prime (122112120983) and next prime (122112121037).

It is a super-2 number, since 2×122112121010² (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 7 ways as a sum of consecutive naturals, for example, 555054986 + ... + 555055205.

It is an arithmetic number, because the mean of its divisors is an integer number (14986487592).

Almost surely, 2^122112121010 is an apocalyptic number.

122112121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122112121010 is a deficient number, since it is larger than the sum of its proper divisors (117671680462).

122112121010 is a wasteful number, since it uses less digits than its factorization.

122112121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110110209.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122112121010 its reverse (10121211221), we get a palindrome (132233332231).

The spelling of 122112121010 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred twenty-one thousand, ten".