101222211111012 has 72 divisors (see below), whose sum is σ = 256119422307840. Its totient is φ = 33707487078720.

The previous prime is 101222211111001. The next prime is 101222211111031. The reversal of 101222211111012 is 210111112222101.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1244346813 + ... + 1244428155.

It is an arithmetic number, because the mean of its divisors is an integer number (3557214198720).

Almost surely, 2^{101222211111012} is an apocalyptic number.

101222211111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101222211111012 is an abundant number, since it is smaller than the sum of its proper divisors (154897211196828).

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

101222211111012 is a wasteful number, since it uses less digits than its factorization.

101222211111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114993 (or 114988 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 101222211111012 its reverse (210111112222101), we get a palindrome (311333323333113).

The spelling of 101222211111012 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred eleven thousand, twelve".