101111010101012 has 12 divisors (see below), whose sum is σ = 176956647561876. Its totient is φ = 50551967940480.

The previous prime is 101111010100987. The next prime is 101111010101053. The reversal of 101111010101012 is 210101010111101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 744554991376 + 100366455109636 = 862876^2 + 10018306^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101111010100984 and 101111010101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884213189 + ... + 884327532.

It is an arithmetic number, because the mean of its divisors is an integer number (14746387296823).

Almost surely, 2^{101111010101012} is an apocalyptic number.

It is an amenable number.

101111010101012 is a deficient number, since it is larger than the sum of its proper divisors (75845637460864).

101111010101012 is a wasteful number, since it uses less digits than its factorization.

101111010101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768555018 (or 1768555016 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101111010101012 its reverse (210101010111101), we get a palindrome (311212020212113).

The spelling of 101111010101012 in words is "one hundred one trillion, one hundred eleven billion, ten million, one hundred one thousand, twelve".