1102010021 has 8 divisors (see below), whose sum is σ = 1262434944. Its totient is φ = 942333840.

The previous prime is 1102010011. The next prime is 1102010029. The reversal of 1102010021 is 1200102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102010021 - 2¹⁸ = 1101747877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102009990 and 1102010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102010029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184025 + ... + 189918.

It is an arithmetic number, because the mean of its divisors is an integer number (157804368).

Almost surely, 2^1102010021 is an apocalyptic number.

It is an amenable number.

1102010021 is a deficient number, since it is larger than the sum of its proper divisors (160424923).

1102010021 is an equidigital number, since it uses as much as digits as its factorization.

1102010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374371.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1102010021 is about 33196.5362801603. The cubic root of 1102010021 is about 1032.9084918723.

Adding to 1102010021 its reverse (1200102011), we get a palindrome (2302112032).

The spelling of 1102010021 in words is "one billion, one hundred two million, ten thousand, twenty-one".