211103002121012 has 24 divisors (see below), whose sum is σ = 370261836723240. Its totient is φ = 105313943288960.

The previous prime is 211103002121003. The next prime is 211103002121017. The reversal of 211103002121012 is 210121200301112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55181928830116 + 155921073290896 = 7428454^2 + 12486836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103002121017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17958578 + ... + 27289494.

It is an arithmetic number, because the mean of its divisors is an integer number (15427576530135).

Almost surely, 2^{211103002121012} is an apocalyptic number.

It is an amenable number.

211103002121012 is a deficient number, since it is larger than the sum of its proper divisors (159158834602228).

211103002121012 is a wasteful number, since it uses less digits than its factorization.

211103002121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343651 (or 9343649 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211103002121012 its reverse (210121200301112), we get a palindrome (421224202422124).

The spelling of 211103002121012 in words is "two hundred eleven trillion, one hundred three billion, two million, one hundred twenty-one thousand, twelve".