1102120020001 has 32 divisors (see below), whose sum is σ = 1504850457600. Its totient is φ = 779297474880.

The previous prime is 1102120019989. The next prime is 1102120020011. The reversal of 1102120020001 is 1000200212011.

It is a cyclic number.

It is not a de Polignac number, because 1102120020001 - 2⁷ = 1102120019873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102120020001.

It is not an unprimeable number, because it can be changed into a prime (1102120020011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9271611 + ... + 9389728.

It is an arithmetic number, because the mean of its divisors is an integer number (47026576800).

Almost surely, 2^{1102120020001} is an apocalyptic number.

1102120020001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1102120020001 is a deficient number, since it is larger than the sum of its proper divisors (402730437599).

1102120020001 is a wasteful number, since it uses less digits than its factorization.

1102120020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18661429.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1102120020001 its reverse (1000200212011), we get a palindrome (2102320232012).

The spelling of 1102120020001 in words is "one trillion, one hundred two billion, one hundred twenty million, twenty thousand, one".