181012012101022 has 32 divisors (see below), whose sum is σ = 276800831769600. Its totient is φ = 88762114677600.

The previous prime is 181012012101017. The next prime is 181012012101029. The reversal of 181012012101022 is 220101210210181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 181012012100984 and 181012012101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181012012101029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11635447 + ... + 22302637.

It is an arithmetic number, because the mean of its divisors is an integer number (8650025992800).

Almost surely, 2^{181012012101022} is an apocalyptic number.

181012012101022 is a deficient number, since it is larger than the sum of its proper divisors (95788819668578).

181012012101022 is a wasteful number, since it uses less digits than its factorization.

181012012101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667992.

The product of its (nonzero) digits is 128, while the sum is 22.

The spelling of 181012012101022 in words is "one hundred eighty-one trillion, twelve billion, twelve million, one hundred one thousand, twenty-two".