211020214142 has 16 divisors (see below), whose sum is σ = 326899556352. Its totient is φ = 102056999160.

The previous prime is 211020214117. The next prime is 211020214187. The reversal of 211020214142 is 241412020112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696998 + ... + 952809.

It is an arithmetic number, because the mean of its divisors is an integer number (20431222272).

Almost surely, 2^211020214142 is an apocalyptic number.

211020214142 is a deficient number, since it is larger than the sum of its proper divisors (115879342210).

211020214142 is a wasteful number, since it uses less digits than its factorization.

211020214142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651903.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 211020214142 its reverse (241412020112), we get a palindrome (452432234254).

The spelling of 211020214142 in words is "two hundred eleven billion, twenty million, two hundred fourteen thousand, one hundred forty-two".