100142221011 has 16 divisors (see below), whose sum is σ = 161574004224. Its totient is φ = 53858001024.

The previous prime is 100142220973. The next prime is 100142221111. The reversal of 100142221011 is 110122241001.

It is not a de Polignac number, because 100142221011 - 2¹⁷ = 100142089939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100142221111) 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, 140254855 + ... + 140255568.

It is an arithmetic number, because the mean of its divisors is an integer number (10098375264).

Almost surely, 2^100142221011 is an apocalyptic number.

100142221011 is a deficient number, since it is larger than the sum of its proper divisors (61431783213).

100142221011 is a wasteful number, since it uses less digits than its factorization.

100142221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280510450.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100142221011 its reverse (110122241001), we get a palindrome (210264462012).

The spelling of 100142221011 in words is "one hundred billion, one hundred forty-two million, two hundred twenty-one thousand, eleven".