1011112101102 has 16 divisors (see below), whose sum is σ = 2042246225232. Its totient is φ = 333700363200.

The previous prime is 1011112101091. The next prime is 1011112101107. The reversal of 1011112101102 is 2011012111101.

It is a super-2 number, since 2×1011112101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011112101107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834250303 + ... + 834251514.

It is an arithmetic number, because the mean of its divisors is an integer number (127640389077).

Almost surely, 2^{1011112101102} is an apocalyptic number.

1011112101102 is an abundant number, since it is smaller than the sum of its proper divisors (1031134124130).

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

1011112101102 is a wasteful number, since it uses less digits than its factorization.

1011112101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668501923.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1011112101102 its reverse (2011012111101), we get a palindrome (3022124212203).

Subtracting 1011112101102 from its reverse (2011012111101), we obtain a palindrome (999900009999).

The spelling of 1011112101102 in words is "one trillion, eleven billion, one hundred twelve million, one hundred one thousand, one hundred two".