101012010221 has 8 divisors (see below), whose sum is σ = 101093885760. Its totient is φ = 100930169952.

The previous prime is 101012010107. The next prime is 101012010241. The reversal of 101012010221 is 122010210101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012010221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012010241) 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, 9128390 + ... + 9139448.

It is an arithmetic number, because the mean of its divisors is an integer number (12636735720).

Almost surely, 2^101012010221 is an apocalyptic number.

It is an amenable number.

101012010221 is a deficient number, since it is larger than the sum of its proper divisors (81875539).

101012010221 is a wasteful number, since it uses less digits than its factorization.

101012010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101012010221 its reverse (122010210101), we get a palindrome (223022220322).

The spelling of 101012010221 in words is "one hundred one billion, twelve million, ten thousand, two hundred twenty-one".