10002021221101 has 16 divisors (see below), whose sum is σ = 12337968230784. Its totient is φ = 7895823234624.

The previous prime is 10002021221081. The next prime is 10002021221107. The reversal of 10002021221101 is 10112212020001.

It is not a de Polignac number, because 10002021221101 - 2⁵ = 10002021221069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002021221107) 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, 124014226 + ... + 124094851.

It is an arithmetic number, because the mean of its divisors is an integer number (771123014424).

Almost surely, 2^{10002021221101} is an apocalyptic number.

It is an amenable number.

10002021221101 is a deficient number, since it is larger than the sum of its proper divisors (2335947009683).

10002021221101 is a wasteful number, since it uses less digits than its factorization.

10002021221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248109540.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10002021221101 its reverse (10112212020001), we get a palindrome (20114233241102).

The spelling of 10002021221101 in words is "ten trillion, two billion, twenty-one million, two hundred twenty-one thousand, one hundred one".