1102201002021 has 8 divisors (see below), whose sum is σ = 1679544384064. Its totient is φ = 629829144000.

The previous prime is 1102201001983. The next prime is 1102201002043. The reversal of 1102201002021 is 1202001022011.

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

It is not a de Polignac number, because 1102201002021 - 2²¹ = 1102198904869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102201001988 and 1102201002006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102201006021) 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, 26242880980 + ... + 26242881021.

It is an arithmetic number, because the mean of its divisors is an integer number (209943048008).

Almost surely, 2^{1102201002021} is an apocalyptic number.

It is an amenable number.

1102201002021 is a deficient number, since it is larger than the sum of its proper divisors (577343382043).

1102201002021 is an equidigital number, since it uses as much as digits as its factorization.

1102201002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52485762011.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1102201002021 its reverse (1202001022011), we get a palindrome (2304202024032).

The spelling of 1102201002021 in words is "one trillion, one hundred two billion, two hundred one million, two thousand, twenty-one".