101202121993 has 8 divisors (see below), whose sum is σ = 115722750080. Its totient is φ = 86697289440.

The previous prime is 101202121991. The next prime is 101202122027. The reversal of 101202121993 is 399121202101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101202121993 - 2¹ = 101202121991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101202121991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3935148 + ... + 3960781.

It is an arithmetic number, because the mean of its divisors is an integer number (14465343760).

Almost surely, 2^101202121993 is an apocalyptic number.

It is an amenable number.

101202121993 is a deficient number, since it is larger than the sum of its proper divisors (14520628087).

101202121993 is an equidigital number, since it uses as much as digits as its factorization.

101202121993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7897767.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 101202121993 in words is "one hundred one billion, two hundred two million, one hundred twenty-one thousand, nine hundred ninety-three".