211220001102 has 16 divisors (see below), whose sum is σ = 460843638912. Its totient is φ = 64006060920.

The previous prime is 211220001101. The next prime is 211220001137. The reversal of 211220001102 is 201100022112.

211220001102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211220001102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220001101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600151458 + ... + 1600151589.

It is an arithmetic number, because the mean of its divisors is an integer number (28802727432).

Almost surely, 2^211220001102 is an apocalyptic number.

211220001102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211220001102 is an abundant number, since it is smaller than the sum of its proper divisors (249623637810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211220001102 is a wasteful number, since it uses less digits than its factorization.

211220001102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200303063.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211220001102 its reverse (201100022112), we get a palindrome (412320023214).

The spelling of 211220001102 in words is "two hundred eleven billion, two hundred twenty million, one thousand, one hundred two".