101102019 has 24 divisors (see below), whose sum is σ = 140474880. Its totient is φ = 64671264.

The previous prime is 101102003. The next prime is 101102039. The reversal of 101102019 is 910201101.

It is not a de Polignac number, because 101102019 - 2⁴ = 101102003 is a prime.

It is a super-2 number, since 2×101102019² = 20443236491752722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101101989 and 101102007.

It is not an unprimeable number, because it can be changed into a prime (101102039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422902 + ... + 423140.

It is an arithmetic number, because the mean of its divisors is an integer number (5853120).

Almost surely, 2^101102019 is an apocalyptic number.

101102019 is a deficient number, since it is larger than the sum of its proper divisors (39372861).

101102019 is a wasteful number, since it uses less digits than its factorization.

101102019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 101102019 is about 10054.9499750123. The cubic root of 101102019 is about 465.8576978355.

The spelling of 101102019 in words is "one hundred one million, one hundred two thousand, nineteen".