211000201010121 has 32 divisors (see below), whose sum is σ = 291239050752000. Its totient is φ = 135720902274048.

The previous prime is 211000201010117. The next prime is 211000201010149. The reversal of 211000201010121 is 121010102000112.

It is not a de Polignac number, because 211000201010121 - 2² = 211000201010117 is a prime.

It is a super-2 number, since 2×211000201010121² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211000201010097 and 211000201010106.

It is not an unprimeable number, because it can be changed into a prime (211000201010171) 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, 1552214485 + ... + 1552350413.

It is an arithmetic number, because the mean of its divisors is an integer number (9101220336000).

Almost surely, 2^{211000201010121} is an apocalyptic number.

It is an amenable number.

211000201010121 is a deficient number, since it is larger than the sum of its proper divisors (80238849741879).

211000201010121 is a wasteful number, since it uses less digits than its factorization.

211000201010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148353.

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

Adding to 211000201010121 its reverse (121010102000112), we get a palindrome (332010303010233).

The spelling of 211000201010121 in words is "two hundred eleven trillion, two hundred one million, ten thousand, one hundred twenty-one".