2111670505020 has 96 divisors (see below), whose sum is σ = 6261277796928. Its totient is φ = 529920520192.

The previous prime is 2111670504971. The next prime is 2111670505069. The reversal of 2111670505020 is 205050761112.

It is an interprime number because it is at equal distance from previous prime (2111670504971) and next prime (2111670505069).

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 31 ways as a sum of consecutive naturals, for example, 8151814 + ... + 8406866.

It is an arithmetic number, because the mean of its divisors is an integer number (65221643718).

Almost surely, 2^{2111670505020} is an apocalyptic number.

2111670505020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111670505020 is an abundant number, since it is smaller than the sum of its proper divisors (4149607291908).

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

2111670505020 is a wasteful number, since it uses less digits than its factorization.

2111670505020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263199 (or 263197 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 2111670505020 in words is "two trillion, one hundred eleven billion, six hundred seventy million, five hundred five thousand, twenty".