101121010 has 8 divisors (see below), whose sum is σ = 182017836. Its totient is φ = 40448400.

The previous prime is 101120989. The next prime is 101121011. The reversal of 101121010 is 10121101.

It can be written as a sum of positive squares in 2 ways, for example, as 100420441 + 700569 = 10021^2 + 837^2 .

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 = 101120984 and 101121002.

It is not an unprimeable number, because it can be changed into a prime (101121011) 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, 5056041 + ... + 5056060.

Almost surely, 2^101121010 is an apocalyptic number.

101121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121010 is a deficient number, since it is larger than the sum of its proper divisors (80896826).

101121010 is a wasteful number, since it uses less digits than its factorization.

101121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112108.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 101121010 is about 10055.8942914094. The cubic root of 101121010 is about 465.8868649077.

Adding to 101121010 its reverse (10121101), we get a palindrome (111242111).

Subtracting from 101121010 its reverse (10121101), we obtain a palindrome (90999909).

The spelling of 101121010 in words is "one hundred one million, one hundred twenty-one thousand, ten".