2201001212120 has 32 divisors (see below), whose sum is σ = 5026166953200. Its totient is φ = 867260178048.

The previous prime is 2201001212101. The next prime is 2201001212173. The reversal of 2201001212120 is 212121001022.

It is a junction number, because it is equal to n+sod(n) for n = 2201001212095 and 2201001212104.

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, 410631875 + ... + 410637234.

Almost surely, 2^{2201001212120} is an apocalyptic number.

2201001212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201001212120 is an abundant number, since it is smaller than the sum of its proper divisors (2825165741080).

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

2201001212120 is a wasteful number, since it uses less digits than its factorization.

2201001212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821269187 (or 821269183 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201001212120 its reverse (212121001022), we get a palindrome (2413122213142).

The spelling of 2201001212120 in words is "two trillion, two hundred one billion, one million, two hundred twelve thousand, one hundred twenty".