121427122201 has 16 divisors (see below), whose sum is σ = 151397716608. Its totient is φ = 94613500800.

The previous prime is 121427122153. The next prime is 121427122213. The reversal of 121427122201 is 102221724121.

It is not a de Polignac number, because 121427122201 - 2⁹ = 121427121689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121427122261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2158491 + ... + 2214031.

It is an arithmetic number, because the mean of its divisors is an integer number (9462357288).

Almost surely, 2^121427122201 is an apocalyptic number.

121427122201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121427122201 is a deficient number, since it is larger than the sum of its proper divisors (29970594407).

121427122201 is a wasteful number, since it uses less digits than its factorization.

121427122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83952.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 121427122201 its reverse (102221724121), we get a palindrome (223648846322).

The spelling of 121427122201 in words is "one hundred twenty-one billion, four hundred twenty-seven million, one hundred twenty-two thousand, two hundred one".