101220001112 has 8 divisors (see below), whose sum is σ = 189787502100. Its totient is φ = 50610000552.

The previous prime is 101220001109. The next prime is 101220001147. The reversal of 101220001112 is 211100022101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×101220001112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101220001093 and 101220001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326250062 + ... + 6326250077.

Almost surely, 2^101220001112 is an apocalyptic number.

It is an amenable number.

101220001112 is a deficient number, since it is larger than the sum of its proper divisors (88567500988).

101220001112 is a wasteful number, since it uses less digits than its factorization.

101220001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652500145 (or 12652500141 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101220001112 its reverse (211100022101), we get a palindrome (312320023213).

The spelling of 101220001112 in words is "one hundred one billion, two hundred twenty million, one thousand, one hundred twelve".