211011020122 has 16 divisors (see below), whose sum is σ = 361741203072. Its totient is φ = 90431287920.

The previous prime is 211011020113. The next prime is 211011020147. The reversal of 211011020122 is 221020110112.

It is a super-2 number, since 2×211011020122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611347 + ... + 892057.

It is an arithmetic number, because the mean of its divisors is an integer number (22608825192).

Almost surely, 2^211011020122 is an apocalyptic number.

211011020122 is a deficient number, since it is larger than the sum of its proper divisors (150730182950).

211011020122 is a wasteful number, since it uses less digits than its factorization.

211011020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334413.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211011020122 its reverse (221020110112), we get a palindrome (432031130234).

The spelling of 211011020122 in words is "two hundred eleven billion, eleven million, twenty thousand, one hundred twenty-two".