1102020421034 has 8 divisors (see below), whose sum is σ = 1780186834020. Its totient is φ = 508624809696.

The previous prime is 1102020421031. The next prime is 1102020421037. The reversal of 1102020421034 is 4301240202011.

It is an interprime number because it is at equal distance from previous prime (1102020421031) and next prime (1102020421037).

It can be written as a sum of positive squares in 2 ways, for example, as 951301770409 + 150718650625 = 975347^2 + 388225^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1102020420997 and 1102020421015.

It is not an unprimeable number, because it can be changed into a prime (1102020421031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21192700379 + ... + 21192700430.

Almost surely, 2^{1102020421034} is an apocalyptic number.

1102020421034 is a deficient number, since it is larger than the sum of its proper divisors (678166412986).

1102020421034 is a wasteful number, since it uses less digits than its factorization.

1102020421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42385400824.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1102020421034 its reverse (4301240202011), we get a palindrome (5403260623045).

The spelling of 1102020421034 in words is "one trillion, one hundred two billion, twenty million, four hundred twenty-one thousand, thirty-four".