101121100212178 has 96 divisors (see below), whose sum is σ = 167174143920000. Its totient is φ = 45733772620800.

The previous prime is 101121100212163. The next prime is 101121100212179. The reversal of 101121100212178 is 871212001121101.

It is not an unprimeable number, because it can be changed into a prime (101121100212179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 775349838 + ... + 775480246.

It is an arithmetic number, because the mean of its divisors is an integer number (1741397332500).

Almost surely, 2^{101121100212178} is an apocalyptic number.

101121100212178 is a deficient number, since it is larger than the sum of its proper divisors (66053043707822).

101121100212178 is a wasteful number, since it uses less digits than its factorization.

101121100212178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130772 (or 130731 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 28.

Adding to 101121100212178 its reverse (871212001121101), we get a palindrome (972333101333279).

The spelling of 101121100212178 in words is "one hundred one trillion, one hundred twenty-one billion, one hundred million, two hundred twelve thousand, one hundred seventy-eight".