1211202424102 has 16 divisors (see below), whose sum is σ = 1983875212800. Its totient is φ = 550016664840.

The previous prime is 1211202424079. The next prime is 1211202424111. The reversal of 1211202424102 is 2014242021121.

It is a super-2 number, since 2×1211202424102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26471202 + ... + 26516917.

It is an arithmetic number, because the mean of its divisors is an integer number (123992200800).

Almost surely, 2^{1211202424102} is an apocalyptic number.

1211202424102 is a deficient number, since it is larger than the sum of its proper divisors (772672788698).

1211202424102 is a wasteful number, since it uses less digits than its factorization.

1211202424102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52989171.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1211202424102 its reverse (2014242021121), we get a palindrome (3225444445223).

The spelling of 1211202424102 in words is "one trillion, two hundred eleven billion, two hundred two million, four hundred twenty-four thousand, one hundred two".