122122110101010 has 64 divisors (see below), whose sum is σ = 295510127945472. Its totient is φ = 32298376361216.

The previous prime is 122122110100993. The next prime is 122122110101011. The reversal of 122122110101010 is 10101011221221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (122122110101011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30719022 + ... + 34465961.

It is an arithmetic number, because the mean of its divisors is an integer number (4617345749148).

Almost surely, 2^{122122110101010} is an apocalyptic number.

122122110101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122122110101010 is an abundant number, since it is smaller than the sum of its proper divisors (173388017844462).

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

122122110101010 is a wasteful number, since it uses less digits than its factorization.

122122110101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65185507.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122122110101010 its reverse (10101011221221), we get a palindrome (132223121322231).

The spelling of 122122110101010 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, one hundred ten million, one hundred one thousand, ten".