101021121010 has 32 divisors (see below), whose sum is σ = 184948764480. Its totient is φ = 39717384768.

The previous prime is 101021121001. The next prime is 101021121013. The reversal of 101021121010 is 10121120101.

101021121010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (101021121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6413104 + ... + 6428836.

It is an arithmetic number, because the mean of its divisors is an integer number (5779648890).

Almost surely, 2^101021121010 is an apocalyptic number.

101021121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021121010 is a deficient number, since it is larger than the sum of its proper divisors (83927643470).

101021121010 is a wasteful number, since it uses less digits than its factorization.

101021121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26682.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 101021121010 its reverse (10121120101), we get a palindrome (111142241111).

Subtracting from 101021121010 its reverse (10121120101), we obtain a palindrome (90900000909).

The spelling of 101021121010 in words is "one hundred one billion, twenty-one million, one hundred twenty-one thousand, ten".