11222012121001 has 32 divisors (see below), whose sum is σ = 12460111234560. Its totient is φ = 10022093088000.

The previous prime is 11222012120981. The next prime is 11222012121007. The reversal of 11222012121001 is 10012121022211.

11222012121001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11222012121001 - 2⁹ = 11222012120489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222012121007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80254335 + ... + 80394043.

It is an arithmetic number, because the mean of its divisors is an integer number (389378476080).

Almost surely, 2^{11222012121001} is an apocalyptic number.

11222012121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11222012121001 is a deficient number, since it is larger than the sum of its proper divisors (1238099113559).

11222012121001 is a wasteful number, since it uses less digits than its factorization.

11222012121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140385.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11222012121001 its reverse (10012121022211), we get a palindrome (21234133143212).

It can be divided in two parts, 112220 and 12121001, that added together give a palindrome (12233221).

The spelling of 11222012121001 in words is "eleven trillion, two hundred twenty-two billion, twelve million, one hundred twenty-one thousand, one".