101210220987 has 8 divisors (see below), whose sum is σ = 142885017936. Its totient is φ = 63504452352.

The previous prime is 101210220941. The next prime is 101210221019. The reversal of 101210220987 is 789022012101.

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

It is not a de Polignac number, because 101210220987 - 2¹¹ = 101210218939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101210220187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992257018 + ... + 992257119.

It is an arithmetic number, because the mean of its divisors is an integer number (17860627242).

Almost surely, 2^101210220987 is an apocalyptic number.

101210220987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

101210220987 is a deficient number, since it is larger than the sum of its proper divisors (41674796949).

101210220987 is a wasteful number, since it uses less digits than its factorization.

101210220987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984514157.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 101210220987 in words is "one hundred one billion, two hundred ten million, two hundred twenty thousand, nine hundred eighty-seven".