121222411401 has 64 divisors (see below), whose sum is σ = 201182478336. Its totient is φ = 63221299200.

The previous prime is 121222411391. The next prime is 121222411403. The reversal of 121222411401 is 104114222121.

It is not a de Polignac number, because 121222411401 - 2¹⁰ = 121222410377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (121222411403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8700921 + ... + 8714841.

It is an arithmetic number, because the mean of its divisors is an integer number (3143476224).

Almost surely, 2^121222411401 is an apocalyptic number.

It is an amenable number.

121222411401 is a deficient number, since it is larger than the sum of its proper divisors (79960066935).

121222411401 is a wasteful number, since it uses less digits than its factorization.

121222411401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121222411401 its reverse (104114222121), we get a palindrome (225336633522).

The spelling of 121222411401 in words is "one hundred twenty-one billion, two hundred twenty-two million, four hundred eleven thousand, four hundred one".