101040212155 has 8 divisors (see below), whose sum is σ = 121300779600. Its totient is φ = 80797153056.

The previous prime is 101040212153. The next prime is 101040212159. The reversal of 101040212155 is 551212040101.

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 101040212155 - 2¹ = 101040212153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101040212153) 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, 4364385 + ... + 4387474.

It is an arithmetic number, because the mean of its divisors is an integer number (15162597450).

Almost surely, 2^101040212155 is an apocalyptic number.

101040212155 is a deficient number, since it is larger than the sum of its proper divisors (20260567445).

101040212155 is an equidigital number, since it uses as much as digits as its factorization.

101040212155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754173.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 101040212155 its reverse (551212040101), we get a palindrome (652252252256).

The spelling of 101040212155 in words is "one hundred one billion, forty million, two hundred twelve thousand, one hundred fifty-five".