1102212001 has 4 divisors (see below), whose sum is σ = 1202413104. Its totient is φ = 1002010900.

The previous prime is 1102211987. The next prime is 1102212043. The reversal of 1102212001 is 1002122011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1102212001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102212071) 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, 50100535 + ... + 50100556.

It is an arithmetic number, because the mean of its divisors is an integer number (300603276).

Almost surely, 2^1102212001 is an apocalyptic number.

1102212001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102212001 is a deficient number, since it is larger than the sum of its proper divisors (100201103).

1102212001 is a wasteful number, since it uses less digits than its factorization.

1102212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100201102.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1102212001 is about 33199.5783256354. The cubic root of 1102212001 is about 1032.9715929659.

Adding to 1102212001 its reverse (1002122011), we get a palindrome (2104334012).

The spelling of 1102212001 in words is "one billion, one hundred two million, two hundred twelve thousand, one".