101202121986 has 64 divisors (see below), whose sum is σ = 236398804992. Its totient is φ = 28280757312.

The previous prime is 101202121981. The next prime is 101202121991. The reversal of 101202121986 is 689121202101.

101202121986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (101202121981) and next prime (101202121991).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101202121981) 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, 3076900 + ... + 3109616.

It is an arithmetic number, because the mean of its divisors is an integer number (3693731328).

Almost surely, 2^101202121986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101202121986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118199402496).

101202121986 is an abundant number, since it is smaller than the sum of its proper divisors (135196683006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101202121986 is a wasteful number, since it uses less digits than its factorization.

101202121986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34343.

The product of its (nonzero) digits is 3456, while the sum is 33.

The spelling of 101202121986 in words is "one hundred one billion, two hundred two million, one hundred twenty-one thousand, nine hundred eighty-six".