101121111010 has 8 divisors (see below), whose sum is σ = 182017999836. Its totient is φ = 40448444400.

The previous prime is 101121110947. The next prime is 101121111029. The reversal of 101121111010 is 10111121101.

It can be written as a sum of positive squares in 2 ways, for example, as 100945362961 + 175748049 = 317719^2 + 13257^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10112111101 = 101121111010 / (1 + 0 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 0 + 1 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5056055541 + ... + 5056055560.

Almost surely, 2^101121111010 is an apocalyptic number.

101121111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121111010 is a deficient number, since it is larger than the sum of its proper divisors (80896888826).

101121111010 is a wasteful number, since it uses less digits than its factorization.

101121111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112111108.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101121111010 its reverse (10111121101), we get a palindrome (111232232111).

The spelling of 101121111010 in words is "one hundred one billion, one hundred twenty-one million, one hundred eleven thousand, ten".