1121001102211 has 4 divisors (see below), whose sum is σ = 1169740280592. Its totient is φ = 1072261923832.

The previous prime is 1121001102157. The next prime is 1121001102307. The reversal of 1121001102211 is 1122011001211.

It is a happy number.

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 1121001102211 - 2¹³ = 1121001094019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121001102191 and 1121001102200.

It is not an unprimeable number, because it can be changed into a prime (1121001109211) 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, 24369589156 + ... + 24369589201.

It is an arithmetic number, because the mean of its divisors is an integer number (292435070148).

Almost surely, 2^{1121001102211} is an apocalyptic number.

1121001102211 is a deficient number, since it is larger than the sum of its proper divisors (48739178381).

1121001102211 is an equidigital number, since it uses as much as digits as its factorization.

1121001102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48739178380.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121001102211 its reverse (1122011001211), we get a palindrome (2243012103422).

The spelling of 1121001102211 in words is "one trillion, one hundred twenty-one billion, one million, one hundred two thousand, two hundred eleven".