220101021121011 has 32 divisors (see below), whose sum is σ = 306677158774272. Its totient is φ = 140148224113920.

The previous prime is 220101021120943. The next prime is 220101021121039. The reversal of 220101021121011 is 110121120101022.

It is a happy number.

It is not a de Polignac number, because 220101021121011 - 2⁴¹ = 217901997865459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220101021121511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497102356 + ... + 497544926.

It is an arithmetic number, because the mean of its divisors is an integer number (9583661211696).

Almost surely, 2^{220101021121011} is an apocalyptic number.

220101021121011 is a deficient number, since it is larger than the sum of its proper divisors (86576137653261).

220101021121011 is a wasteful number, since it uses less digits than its factorization.

220101021121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453163.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220101021121011 its reverse (110121120101022), we get a palindrome (330222141222033).

The spelling of 220101021121011 in words is "two hundred twenty trillion, one hundred one billion, twenty-one million, one hundred twenty-one thousand, eleven".