121222201001 has 8 divisors (see below), whose sum is σ = 132664904544. Its totient is φ = 109849914720.

The previous prime is 121222200997. The next prime is 121222201007. The reversal of 121222201001 is 100102222121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121222201001 - 2² = 121222200997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222201007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17600711 + ... + 17607596.

It is an arithmetic number, because the mean of its divisors is an integer number (16583113068).

Almost surely, 2^121222201001 is an apocalyptic number.

121222201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121222201001 is a deficient number, since it is larger than the sum of its proper divisors (11442703543).

121222201001 is a wasteful number, since it uses less digits than its factorization.

121222201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35208631.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121222201001 its reverse (100102222121), we get a palindrome (221324423122).

It can be divided in two parts, 121222 and 201001, that added together give a palindrome (322223).

The spelling of 121222201001 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, one".