101193921242956 has 6 divisors (see below), whose sum is σ = 177089362175180. Its totient is φ = 50596960621476.

The previous prime is 101193921242933. The next prime is 101193921242957. The reversal of 101193921242956 is 659242129391101.

It is a super-3 number, since 3×101193921242956³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101193921242897 and 101193921242906.

It is not an unprimeable number, because it can be changed into a prime (101193921242957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12649240155366 + ... + 12649240155373.

Almost surely, 2^{101193921242956} is an apocalyptic number.

It is an amenable number.

101193921242956 is a deficient number, since it is larger than the sum of its proper divisors (75895440932224).

101193921242956 is a wasteful number, since it uses less digits than its factorization.

101193921242956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25298480310743 (or 25298480310741 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 101193921242956 in words is "one hundred one trillion, one hundred ninety-three billion, nine hundred twenty-one million, two hundred forty-two thousand, nine hundred fifty-six".