101111110021010 has 8 divisors (see below), whose sum is σ = 181999998037836. Its totient is φ = 40444444008400.

The previous prime is 101111110020979. The next prime is 101111110021021. The reversal of 101111110021010 is 10120011111101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99840243856081 + 1270866164929 = 9992009^2 + 1127327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 101111110020982 and 101111110021000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055555501041 + ... + 5055555501060.

Almost surely, 2^{101111110021010} is an apocalyptic number.

101111110021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111110021010 is a deficient number, since it is larger than the sum of its proper divisors (80888888016826).

101111110021010 is a wasteful number, since it uses less digits than its factorization.

101111110021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111111002108.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 101111110021010 its reverse (10120011111101), we get a palindrome (111231121132111).

The spelling of 101111110021010 in words is "one hundred one trillion, one hundred eleven billion, one hundred ten million, twenty-one thousand, ten".