1210211102102 has 16 divisors (see below), whose sum is σ = 1854146278800. Its totient is φ = 592251915360.

The previous prime is 1210211102071. The next prime is 1210211102119. The reversal of 1210211102102 is 2012011120121.

It is a super-2 number, since 2×1210211102102² (a number of 25 digits) contains 22 as substring.

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, 22366049 + ... + 22420092.

It is an arithmetic number, because the mean of its divisors is an integer number (115884142425).

Almost surely, 2^{1210211102102} is an apocalyptic number.

1210211102102 is a deficient number, since it is larger than the sum of its proper divisors (643935176698).

1210211102102 is a wasteful number, since it uses less digits than its factorization.

1210211102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44786431.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1210211102102 its reverse (2012011120121), we get a palindrome (3222222222223).

The spelling of 1210211102102 in words is "one trillion, two hundred ten billion, two hundred eleven million, one hundred two thousand, one hundred two".