200101222101021 has 64 divisors (see below), whose sum is σ = 294084732125184. Its totient is φ = 120605088542400.

The previous prime is 200101222100981. The next prime is 200101222101029. The reversal of 200101222101021 is 120101222101002.

It is not a de Polignac number, because 200101222101021 - 2¹⁸ = 200101221838877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200101222101029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1626367776 + ... + 1626490806.

It is an arithmetic number, because the mean of its divisors is an integer number (4595073939456).

Almost surely, 2^{200101222101021} is an apocalyptic number.

It is an amenable number.

200101222101021 is a deficient number, since it is larger than the sum of its proper divisors (93983510024163).

200101222101021 is a wasteful number, since it uses less digits than its factorization.

200101222101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140814.

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

Adding to 200101222101021 its reverse (120101222101002), we get a palindrome (320202444202023).

The spelling of 200101222101021 in words is "two hundred trillion, one hundred one billion, two hundred twenty-two million, one hundred one thousand, twenty-one".