1102121221001 has 8 divisors (see below), whose sum is σ = 1103320764000. Its totient is φ = 1100922195040.

The previous prime is 1102121220877. The next prime is 1102121221013. The reversal of 1102121221001 is 1001221212011.

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 1102121221001 - 2²² = 1102117026697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102121221081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4215386 + ... + 4469196.

It is an arithmetic number, because the mean of its divisors is an integer number (137915095500).

Almost surely, 2^{1102121221001} is an apocalyptic number.

It is an amenable number.

1102121221001 is a deficient number, since it is larger than the sum of its proper divisors (1199542999).

1102121221001 is a wasteful number, since it uses less digits than its factorization.

1102121221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258519.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1102121221001 its reverse (1001221212011), we get a palindrome (2103342433012).

The spelling of 1102121221001 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty-one thousand, one".