1101210010901 has 48 divisors (see below), whose sum is σ = 1496812404864. Its totient is φ = 788323536000.

The previous prime is 1101210010883. The next prime is 1101210010903. The reversal of 1101210010901 is 1090100121011.

It is a happy number.

It is not a de Polignac number, because 1101210010901 - 2¹⁰ = 1101210009877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101210010901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101210010903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2086331 + ... + 2560311.

It is an arithmetic number, because the mean of its divisors is an integer number (31183591768).

Almost surely, 2^{1101210010901} is an apocalyptic number.

1101210010901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101210010901 is a deficient number, since it is larger than the sum of its proper divisors (395602393963).

1101210010901 is a wasteful number, since it uses less digits than its factorization.

1101210010901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474234 (or 474223 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1101210010901 its reverse (1090100121011), we get a palindrome (2191310131912).

The spelling of 1101210010901 in words is "one trillion, one hundred one billion, two hundred ten million, ten thousand, nine hundred one".