1210200220101 has 16 divisors (see below), whose sum is σ = 1644085387584. Its totient is φ = 791558337024.

The previous prime is 1210200220081. The next prime is 1210200220121. The reversal of 1210200220101 is 1010220020121.

It is an interprime number because it is at equal distance from previous prime (1210200220081) and next prime (1210200220121).

It is not a de Polignac number, because 1210200220101 - 2⁹ = 1210200219589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210200220121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9876130 + ... + 9997916.

It is an arithmetic number, because the mean of its divisors is an integer number (102755336724).

Almost surely, 2^{1210200220101} is an apocalyptic number.

It is an amenable number.

1210200220101 is a deficient number, since it is larger than the sum of its proper divisors (433885167483).

1210200220101 is a wasteful number, since it uses less digits than its factorization.

1210200220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184340.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1210200220101 its reverse (1010220020121), we get a palindrome (2220420240222).

The spelling of 1210200220101 in words is "one trillion, two hundred ten billion, two hundred million, two hundred twenty thousand, one hundred one".