100101111021219 has 48 divisors (see below), whose sum is σ = 176765975882496. Its totient is φ = 48941719641600.

The previous prime is 100101111021211. The next prime is 100101111021313. The reversal of 100101111021219 is 912120111101001.

It is a happy number.

It is not a de Polignac number, because 100101111021219 - 2³ = 100101111021211 is a prime.

It is a super-2 number, since 2×100101111021219² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 100101111021195 and 100101111021204.

It is not an unprimeable number, because it can be changed into a prime (100101111021211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749653212 + ... + 749786729.

It is an arithmetic number, because the mean of its divisors is an integer number (3682624497552).

Almost surely, 2^{100101111021219} is an apocalyptic number.

100101111021219 is a deficient number, since it is larger than the sum of its proper divisors (76664864861277).

100101111021219 is a wasteful number, since it uses less digits than its factorization.

100101111021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499439996 (or 1499439979 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 21.

The spelling of 100101111021219 in words is "one hundred trillion, one hundred one billion, one hundred eleven million, twenty-one thousand, two hundred nineteen".