121022112011001 has 16 divisors (see below), whose sum is σ = 171809242171200. Its totient is φ = 75511222473728.

The previous prime is 121022112010981. The next prime is 121022112011029. The reversal of 121022112011001 is 100110211220121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121022112011001 - 2⁹ = 121022112010489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121022112011501) 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, 6628433856 + ... + 6628452113.

It is an arithmetic number, because the mean of its divisors is an integer number (10738077635700).

Almost surely, 2^{121022112011001} is an apocalyptic number.

It is an amenable number.

121022112011001 is a deficient number, since it is larger than the sum of its proper divisors (50787130160199).

121022112011001 is a wasteful number, since it uses less digits than its factorization.

121022112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256886168.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121022112011001 its reverse (100110211220121), we get a palindrome (221132323231122).

The spelling of 121022112011001 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twelve million, eleven thousand, one".