1121022012201 has 48 divisors (see below), whose sum is σ = 1953888418944. Its totient is φ = 565599234816.

The previous prime is 1121022012169. The next prime is 1121022012223. The reversal of 1121022012201 is 1022102201211.

It is not a de Polignac number, because 1121022012201 - 2⁵ = 1121022012169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121022012301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12708556 + ... + 12796461.

It is an arithmetic number, because the mean of its divisors is an integer number (40706008728).

Almost surely, 2^{1121022012201} is an apocalyptic number.

It is an amenable number.

1121022012201 is a deficient number, since it is larger than the sum of its proper divisors (832866406743).

1121022012201 is a wasteful number, since it uses less digits than its factorization.

1121022012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25505070 (or 25505063 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1121022012201 its reverse (1022102201211), we get a palindrome (2143124213412).

The spelling of 1121022012201 in words is "one trillion, one hundred twenty-one billion, twenty-two million, twelve thousand, two hundred one".