2010155100197 has 4 divisors (see below), whose sum is σ = 2052924357696. Its totient is φ = 1967385842700.

The previous prime is 2010155100181. The next prime is 2010155100211. The reversal of 2010155100197 is 7910015510102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2010155100197 - 2⁴ = 2010155100181 is a prime.

It is a super-2 number, since 2×2010155100197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010155100497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21384628679 + ... + 21384628772.

It is an arithmetic number, because the mean of its divisors is an integer number (513231089424).

Almost surely, 2^{2010155100197} is an apocalyptic number.

It is an amenable number.

2010155100197 is a deficient number, since it is larger than the sum of its proper divisors (42769257499).

2010155100197 is an equidigital number, since it uses as much as digits as its factorization.

2010155100197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42769257498.

The product of its (nonzero) digits is 3150, while the sum is 32.

The spelling of 2010155100197 in words is "two trillion, ten billion, one hundred fifty-five million, one hundred thousand, one hundred ninety-seven".