2211657245020 has 24 divisors (see below), whose sum is σ = 4648616041104. Its totient is φ = 883875121536.

The previous prime is 2211657244963. The next prime is 2211657245027. The reversal of 2211657245020 is 205427561122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211657245027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49213009 + ... + 49257928.

It is an arithmetic number, because the mean of its divisors is an integer number (193692335046).

Almost surely, 2^{2211657245020} is an apocalyptic number.

2211657245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211657245020 is an abundant number, since it is smaller than the sum of its proper divisors (2436958796084).

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

2211657245020 is a wasteful number, since it uses less digits than its factorization.

2211657245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98472069 (or 98472067 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 2211657245020 in words is "two trillion, two hundred eleven billion, six hundred fifty-seven million, two hundred forty-five thousand, twenty".