1102012212001 has 4 divisors (see below), whose sum is σ = 1102340097604. Its totient is φ = 1101684326400.

The previous prime is 1102012211981. The next prime is 1102012212013. The reversal of 1102012212001 is 1002122102011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 767840350225 + 334171861776 = 876265^2 + 578076^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102012212001 - 2⁷ = 1102012211873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102012215001) 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, 163937760 + ... + 163944481.

It is an arithmetic number, because the mean of its divisors is an integer number (275585024401).

Almost surely, 2^{1102012212001} is an apocalyptic number.

It is an amenable number.

1102012212001 is a deficient number, since it is larger than the sum of its proper divisors (327885603).

1102012212001 is an equidigital number, since it uses as much as digits as its factorization.

1102012212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327885602.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1102012212001 its reverse (1002122102011), we get a palindrome (2104134314012).

The spelling of 1102012212001 in words is "one trillion, one hundred two billion, twelve million, two hundred twelve thousand, one".