1201002021110 has 64 divisors (see below), whose sum is σ = 2304877317120. Its totient is φ = 449289792000.

The previous prime is 1201002021073. The next prime is 1201002021133. The reversal of 1201002021110 is 111202001021.

It is a junction number, because it is equal to n+sod(n) for n = 1201002021091 and 1201002021100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5277539 + ... + 5500401.

It is an arithmetic number, because the mean of its divisors is an integer number (36013708080).

Almost surely, 2^{1201002021110} is an apocalyptic number.

1201002021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201002021110 is a deficient number, since it is larger than the sum of its proper divisors (1103875296010).

1201002021110 is a wasteful number, since it uses less digits than its factorization.

1201002021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223253.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1201002021110 its reverse (111202001021), we get a palindrome (1312204022131).

The spelling of 1201002021110 in words is "one trillion, two hundred one billion, two million, twenty-one thousand, one hundred ten".