20101002219 has 12 divisors (see below), whose sum is σ = 29334109896. Its totient is φ = 13262516352.

The previous prime is 20101002217. The next prime is 20101002221. The reversal of 20101002219 is 91220010102.

It is an interprime number because it is at equal distance from previous prime (20101002217) and next prime (20101002221).

It is not a de Polignac number, because 20101002219 - 2¹ = 20101002217 is a prime.

It is a super-2 number, since 2×20101002219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20101002217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11511729 + ... + 11513474.

It is an arithmetic number, because the mean of its divisors is an integer number (2444509158).

Almost surely, 2^20101002219 is an apocalyptic number.

20101002219 is a deficient number, since it is larger than the sum of its proper divisors (9233107677).

20101002219 is a wasteful number, since it uses less digits than its factorization.

20101002219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23025306 (or 23025303 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20101002219 in words is "twenty billion, one hundred one million, two thousand, two hundred nineteen".