1021222201011 has 16 divisors (see below), whose sum is σ = 1372405039104. Its totient is φ = 675427503744.

The previous prime is 1021222200959. The next prime is 1021222201031. The reversal of 1021222201011 is 1101022221201.

It is not a de Polignac number, because 1021222201011 - 2¹³ = 1021222192819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021222201031) 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, 16330075 + ... + 16392491.

It is an arithmetic number, because the mean of its divisors is an integer number (85775314944).

Almost surely, 2^{1021222201011} is an apocalyptic number.

1021222201011 is a deficient number, since it is larger than the sum of its proper divisors (351182838093).

1021222201011 is a wasteful number, since it uses less digits than its factorization.

1021222201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105490.

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

Adding to 1021222201011 its reverse (1101022221201), we get a palindrome (2122244422212).

The spelling of 1021222201011 in words is "one trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, eleven".