101201211221026 has 16 divisors (see below), whose sum is σ = 174232373462784. Its totient is φ = 43185801966624.

The previous prime is 101201211220997. The next prime is 101201211221027. The reversal of 101201211221026 is 620122112102101.

It is a junction number, because it is equal to n+sod(n) for n = 101201211220988 and 101201211221006.

It is not an unprimeable number, because it can be changed into a prime (101201211221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15512138250 + ... + 15512144773.

It is an arithmetic number, because the mean of its divisors is an integer number (10889523341424).

Almost surely, 2^{101201211221026} is an apocalyptic number.

101201211221026 is a deficient number, since it is larger than the sum of its proper divisors (73031162241758).

101201211221026 is a wasteful number, since it uses less digits than its factorization.

101201211221026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31024283265.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 101201211221026 its reverse (620122112102101), we get a palindrome (721323323323127).

The spelling of 101201211221026 in words is "one hundred one trillion, two hundred one billion, two hundred eleven million, two hundred twenty-one thousand, twenty-six".