21107269150 has 48 divisors (see below), whose sum is σ = 44210170368. Its totient is φ = 7427772000.

The previous prime is 21107269147. The next prime is 21107269153. The reversal of 21107269150 is 5196270112.

It is an interprime number because it is at equal distance from previous prime (21107269147) and next prime (21107269153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21107269153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 601932 + ... + 636031.

It is an arithmetic number, because the mean of its divisors is an integer number (921045216).

Almost surely, 2^21107269150 is an apocalyptic number.

21107269150 is an abundant number, since it is smaller than the sum of its proper divisors (23102901218).

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

21107269150 is a wasteful number, since it uses less digits than its factorization.

21107269150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238017 (or 1238012 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 21107269150 in words is "twenty-one billion, one hundred seven million, two hundred sixty-nine thousand, one hundred fifty".