101212111201110 has 64 divisors (see below), whose sum is σ = 298965005402112. Its totient is φ = 21354643241856.

The previous prime is 101212111201093. The next prime is 101212111201121. The reversal of 101212111201110 is 11102111212101.

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

It is a self number, because there is not a number n which added to its sum of digits gives 101212111201110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18537013974 + ... + 18537019433.

It is an arithmetic number, because the mean of its divisors is an integer number (4671328209408).

Almost surely, 2^{101212111201110} is an apocalyptic number.

101212111201110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212111201110 is an abundant number, since it is smaller than the sum of its proper divisors (197752894201002).

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

101212111201110 is a wasteful number, since it uses less digits than its factorization.

101212111201110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37074033437.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101212111201110 its reverse (11102111212101), we get a palindrome (112314222413211).

The spelling of 101212111201110 in words is "one hundred one trillion, two hundred twelve billion, one hundred eleven million, two hundred one thousand, one hundred ten".