2201121100212 has 24 divisors (see below), whose sum is σ = 5139440742912. Its totient is φ = 733208246400.

The previous prime is 2201121100193. The next prime is 2201121100231. The reversal of 2201121100212 is 2120011211022.

It is an interprime number because it is at equal distance from previous prime (2201121100193) and next prime (2201121100231).

It is a junction number, because it is equal to n+sod(n) for n = 2201121100191 and 2201121100200.

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, 62329989 + ... + 62365292.

It is an arithmetic number, because the mean of its divisors is an integer number (214143364288).

Almost surely, 2^{2201121100212} is an apocalyptic number.

It is an amenable number.

2201121100212 is an abundant number, since it is smaller than the sum of its proper divisors (2938319642700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201121100212 is a wasteful number, since it uses less digits than its factorization.

2201121100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124696759 (or 124696757 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201121100212 its reverse (2120011211022), we get a palindrome (4321132311234).

The spelling of 2201121100212 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred thousand, two hundred twelve".