100012011222021 has 16 divisors (see below), whose sum is σ = 133382911273920. Its totient is φ = 66657893429120.

The previous prime is 100012011222017. The next prime is 100012011222073. The reversal of 100012011222021 is 120222110210001.

It is a cyclic number.

It is not a de Polignac number, because 100012011222021 - 2² = 100012011222017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012011222091) 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, 769891951 + ... + 770021843.

It is an arithmetic number, because the mean of its divisors is an integer number (8336431954620).

Almost surely, 2^{100012011222021} is an apocalyptic number.

It is an amenable number.

100012011222021 is a deficient number, since it is larger than the sum of its proper divisors (33370900051899).

100012011222021 is a wasteful number, since it uses less digits than its factorization.

100012011222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192516.

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

Adding to 100012011222021 its reverse (120222110210001), we get a palindrome (220234121432022).

The spelling of 100012011222021 in words is "one hundred trillion, twelve billion, eleven million, two hundred twenty-two thousand, twenty-one".