101210212190 has 16 divisors (see below), whose sum is σ = 186054518592. Its totient is φ = 39622721184.

The previous prime is 101210212189. The next prime is 101210212211. The reversal of 101210212190 is 91212012101.

It is a super-2 number, since 2×101210212190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107669969 + ... + 107670908.

It is an arithmetic number, because the mean of its divisors is an integer number (11628407412).

Almost surely, 2^101210212190 is an apocalyptic number.

101210212190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101210212190 is a deficient number, since it is larger than the sum of its proper divisors (84844306402).

101210212190 is a wasteful number, since it uses less digits than its factorization.

101210212190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215340931.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 101210212190 its reverse (91212012101), we get a palindrome (192422224291).

The spelling of 101210212190 in words is "one hundred one billion, two hundred ten million, two hundred twelve thousand, one hundred ninety".