101919091010 has 16 divisors (see below), whose sum is σ = 200132033472. Its totient is φ = 37061487600.

The previous prime is 101919091007. The next prime is 101919091013. The reversal of 101919091010 is 10190919101.

It is an interprime number because it is at equal distance from previous prime (101919091007) and next prime (101919091013).

It is a super-2 number, since 2×101919091010² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101919091013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463268486 + ... + 463268705.

It is an arithmetic number, because the mean of its divisors is an integer number (12508252092).

Almost surely, 2^101919091010 is an apocalyptic number.

101919091010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101919091010 is a deficient number, since it is larger than the sum of its proper divisors (98212942462).

101919091010 is a wasteful number, since it uses less digits than its factorization.

101919091010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926537209.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 101919091010 in words is "one hundred one billion, nine hundred nineteen million, ninety-one thousand, ten".