122211110021130 has 256 divisors, whose sum is σ = 356176555338240. Its totient is φ = 29636985563136.

The previous prime is 122211110021093. The next prime is 122211110021131. The reversal of 122211110021130 is 31120011112221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122211110021131) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 225981012 + ... + 226521168.

It is an arithmetic number, because the mean of its divisors is an integer number (1391314669290).

Almost surely, 2^{122211110021130} is an apocalyptic number.

122211110021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122211110021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178088277669120).

122211110021130 is an abundant number, since it is smaller than the sum of its proper divisors (233965445317110).

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

122211110021130 is a wasteful number, since it uses less digits than its factorization.

122211110021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541142 (or 541136 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 122211110021130 its reverse (31120011112221), we get a palindrome (153331121133351).

The spelling of 122211110021130 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred ten million, twenty-one thousand, one hundred thirty".