1102120101001 has 4 divisors (see below), whose sum is σ = 1102220881812. Its totient is φ = 1102019320192.

The previous prime is 1102120100999. The next prime is 1102120101023. The reversal of 1102120101001 is 1001010212011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 873467814025 + 228652286976 = 934595^2 + 478176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102120101001 - 2¹ = 1102120100999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102120101031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50374000 + ... + 50395873.

It is an arithmetic number, because the mean of its divisors is an integer number (275555220453).

Almost surely, 2^{1102120101001} is an apocalyptic number.

It is an amenable number.

1102120101001 is a deficient number, since it is larger than the sum of its proper divisors (100780811).

1102120101001 is a wasteful number, since it uses less digits than its factorization.

1102120101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100780810.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1102120101001 its reverse (1001010212011), we get a palindrome (2103130313012).

The spelling of 1102120101001 in words is "one trillion, one hundred two billion, one hundred twenty million, one hundred one thousand, one".