112121102021109 has 32 divisors (see below), whose sum is σ = 153122094242304. Its totient is φ = 72937215288000.

The previous prime is 112121102021063. The next prime is 112121102021141. The reversal of 112121102021109 is 901120201121211.

It is not a de Polignac number, because 112121102021109 - 2⁷ = 112121102020981 is a prime.

It is a super-2 number, since 2×112121102021109² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121102021209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542034187 + ... + 542240999.

It is an arithmetic number, because the mean of its divisors is an integer number (4785065445072).

Almost surely, 2^{112121102021109} is an apocalyptic number.

It is an amenable number.

112121102021109 is a deficient number, since it is larger than the sum of its proper divisors (41000992221195).

112121102021109 is a wasteful number, since it uses less digits than its factorization.

112121102021109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210977.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 112121102021109 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred two million, twenty-one thousand, one hundred nine".