1101012212203 has 4 divisors (see below), whose sum is σ = 1124438004000. Its totient is φ = 1077586420408.

The previous prime is 1101012212143. The next prime is 1101012212207. The reversal of 1101012212203 is 3022122101011.

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

It is a cyclic number.

It is not a de Polignac number, because 1101012212203 - 2²⁵ = 1100978657771 is a prime.

It is a super-2 number, since 2×1101012212203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101012212207) 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, 11712895828 + ... + 11712895921.

It is an arithmetic number, because the mean of its divisors is an integer number (281109501000).

Almost surely, 2^{1101012212203} is an apocalyptic number.

1101012212203 is a deficient number, since it is larger than the sum of its proper divisors (23425791797).

1101012212203 is an equidigital number, since it uses as much as digits as its factorization.

1101012212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23425791796.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1101012212203 its reverse (3022122101011), we get a palindrome (4123134313214).

The spelling of 1101012212203 in words is "one trillion, one hundred one billion, twelve million, two hundred twelve thousand, two hundred three".