1102021020099 has 40 divisors (see below), whose sum is σ = 1792626858000. Its totient is φ = 672012790848.

The previous prime is 1102021020097. The next prime is 1102021020119. The reversal of 1102021020099 is 9900201202011.

It is not a de Polignac number, because 1102021020099 - 2¹ = 1102021020097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1102021020091) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12301284 + ... + 12390545.

It is an arithmetic number, because the mean of its divisors is an integer number (44815671450).

Almost surely, 2^{1102021020099} is an apocalyptic number.

1102021020099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1102021020099 is a deficient number, since it is larger than the sum of its proper divisors (690605837901).

1102021020099 is a wasteful number, since it uses less digits than its factorization.

1102021020099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24691889 (or 24691880 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 1102021020099 in words is "one trillion, one hundred two billion, twenty-one million, twenty thousand, ninety-nine".