1102100021019 has 32 divisors (see below), whose sum is σ = 1653919322880. Its totient is φ = 734279388840.

The previous prime is 1102100020993. The next prime is 1102100021023. The reversal of 1102100021019 is 9101200012011.

It is a happy number.

It is not a de Polignac number, because 1102100021019 - 2³⁹ = 552344207131 is a prime.

It is a super-2 number, since 2×1102100021019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102100020992 and 1102100021010.

It is not an unprimeable number, because it can be changed into a prime (1102100021059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3403384 + ... + 3713114.

It is an arithmetic number, because the mean of its divisors is an integer number (51684978840).

Almost surely, 2^{1102100021019} is an apocalyptic number.

1102100021019 is a deficient number, since it is larger than the sum of its proper divisors (551819301861).

1102100021019 is an frugal number, since it uses more digits than its factorization.

1102100021019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311379 (or 311361 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1102100021019 in words is "one trillion, one hundred two billion, one hundred million, twenty-one thousand, nineteen".