1220010210111 has 32 divisors (see below), whose sum is σ = 2048148850176. Its totient is φ = 627496560000.

The previous prime is 1220010210103. The next prime is 1220010210127. The reversal of 1220010210111 is 1110120100221.

It is not a de Polignac number, because 1220010210111 - 2³ = 1220010210103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010210611) 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, 26122360 + ... + 26169021.

It is an arithmetic number, because the mean of its divisors is an integer number (64004651568).

Almost surely, 2^{1220010210111} is an apocalyptic number.

1220010210111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220010210111 is a deficient number, since it is larger than the sum of its proper divisors (828138640065).

1220010210111 is a wasteful number, since it uses less digits than its factorization.

1220010210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52291503.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1220010210111 its reverse (1110120100221), we get a palindrome (2330130310332).

The spelling of 1220010210111 in words is "one trillion, two hundred twenty billion, ten million, two hundred ten thousand, one hundred eleven".