2111402423220 has 24 divisors (see below), whose sum is σ = 5911926785184. Its totient is φ = 563040646176.

The previous prime is 2111402423203. The next prime is 2111402423243. The reversal of 2111402423220 is 223242041112.

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, 17595020134 + ... + 17595020253.

It is an arithmetic number, because the mean of its divisors is an integer number (246330282716).

Almost surely, 2^{2111402423220} is an apocalyptic number.

2111402423220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111402423220 is an abundant number, since it is smaller than the sum of its proper divisors (3800524361964).

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

2111402423220 is a wasteful number, since it uses less digits than its factorization.

2111402423220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35190040399 (or 35190040397 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2111402423220 its reverse (223242041112), we get a palindrome (2334644464332).

The spelling of 2111402423220 in words is "two trillion, one hundred eleven billion, four hundred two million, four hundred twenty-three thousand, two hundred twenty".