1211000101102 has 32 divisors (see below), whose sum is σ = 2000466810720. Its totient is φ = 545230264320.

The previous prime is 1211000101097. The next prime is 1211000101123. The reversal of 1211000101102 is 2011010001121.

It is a super-2 number, since 2×1211000101102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703924 + ... + 4017592.

It is an arithmetic number, because the mean of its divisors is an integer number (62514587835).

Almost surely, 2^{1211000101102} is an apocalyptic number.

1211000101102 is a deficient number, since it is larger than the sum of its proper divisors (789466709618).

1211000101102 is a wasteful number, since it uses less digits than its factorization.

1211000101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315348.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1211000101102 its reverse (2011010001121), we get a palindrome (3222010102223).

The spelling of 1211000101102 in words is "one trillion, two hundred eleven billion, one hundred one thousand, one hundred two".