100021132221111 has 48 divisors (see below), whose sum is σ = 148480763558400. Its totient is φ = 64842660570240.

The previous prime is 100021132221103. The next prime is 100021132221133. The reversal of 100021132221111 is 111122231120001.

It is a happy number.

100021132221111 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 211 + 322 + 21 + 111 = 666.

It is not a de Polignac number, because 100021132221111 - 2³ = 100021132221103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021132221161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345443346 + ... + 345732768.

It is an arithmetic number, because the mean of its divisors is an integer number (3093349240800).

Almost surely, 2^{100021132221111} is an apocalyptic number.

100021132221111 is a deficient number, since it is larger than the sum of its proper divisors (48459631337289).

100021132221111 is a wasteful number, since it uses less digits than its factorization.

100021132221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292516 (or 292513 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 100021132221111 its reverse (111122231120001), we get a palindrome (211143363341112).

The spelling of 100021132221111 in words is "one hundred trillion, twenty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, one hundred eleven".