2111311462620 has 48 divisors (see below), whose sum is σ = 5969066987520. Its totient is φ = 557550209856.

The previous prime is 2111311462541. The next prime is 2111311462699. The reversal of 2111311462620 is 262641131112.

It is an interprime number because it is at equal distance from previous prime (2111311462541) and next prime (2111311462699).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170811900 + ... + 170824259.

It is an arithmetic number, because the mean of its divisors is an integer number (124355562240).

Almost surely, 2^{2111311462620} is an apocalyptic number.

2111311462620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111311462620 is an abundant number, since it is smaller than the sum of its proper divisors (3857755524900).

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

2111311462620 is a wasteful number, since it uses less digits than its factorization.

2111311462620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341636274 (or 341636272 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 2111311462620 its reverse (262641131112), we get a palindrome (2373952593732).

The spelling of 2111311462620 in words is "two trillion, one hundred eleven billion, three hundred eleven million, four hundred sixty-two thousand, six hundred twenty".